WELCOME TO BUSEY

WELCOME TO BUSEY. Our associates make Busey...Busey.

Busey is a community organization, committed to helping customers’ and communities’ dreams come true. Since Busey Brothers & Company Bank first opened its doors in 1868, we have built on a tradition of close relationships and broad financial capabilities. Through sound leadership based on honesty, fairness, and financial integrity, Busey has grown steadily since its humble beginnings. Busey’s success can be attributed to the outstanding associates who are committed to fulfilling the Busey Promise to our 4 Busey Pillars—today and in the future. THE BUSEY PROMISE The Promise defines our relationships, sets expectations for our actions and guides decision-making at Busey with our 4 Pillars—associates, customers, shareholders and communities. THE BUSEY MISSION To exceed the service needs of our customers, invest in our associates and communities and deliver long-term value to our shareholders. BUSEY VISION STATEMENT Service Excellence in everything we do for our Pillars. As an associate of Busey, we invite you to share in our success.

HUMAN RESOURCES. SERVICES AND CONTACTS

HR OPERATIONS

ASSOCIATE EXPERIENCE & DIVERSITY

Benefits Administration Roles and Responsibilities: Medical/Dental/Vision Insurance; HSA/FSA; Life/Disability; Profit Sharing/401(k); Employee Stock Purchase Plan (ESPP); Leaves of Absence; Worker’s Compensation; Americans with Disabilities Act (ADA)

Associate Development Roles and Responsibilities: UKG Learning; LinkedIn Learning; Elevate; Busey Leadership Institute (BLI); Clifton Strengths; Certified Financial Pathways Facilitator Program; Develop; Evolve; Service Academy; Thrive; Transform; Compliance Training; The Vault Badges

Contact: [email protected] Payroll Roles and Responsibilities: Payroll; Time Management; Vacation/Sick/Award time; Employment Verification; W-2; Professional Image Program; UKG Access Issues Contact: [email protected] UKG Pro Access/Issues Contact: [email protected] TALENT AND PERFORMANCE Talent Acquisition and Onboarding Roles and Responsibilities: Recruiting; Transfers; Internships; Job Descriptions; Associate Onboarding; New Associate Orientation; Name Tag and Plate Orders; Professional Headshots; Corporate Credit Cards; NMLS Registration Contact: [email protected] or [email protected] Performance Management Roles and Responsibilities: Performance Management, Name Changes; Notary Applications; Offboarding; Recognition; Performance Evaluations; Workforce Policy Contact: [email protected] General Inquiries Contact: Regional HR Manager Central Region - Barb Peters Florida Region - Danielle Wisely Gateway Region - Anna Wright Indiana Region - Barb Peters Northern Region - Kim Majchrzak Virtual Region - Kim Majchrzak ASSOCIATE

Contact: [email protected] Busey’s Educational Assistance Program Contact: [email protected] Career Development Roles and Responsibilities: Career Assessments and Discovery; Career Paths; Career Coaching; Career Development Planning; Career Excursions; Educational Assistance and Consultation Contact: [email protected] Associate Engagement Roles and Responsibilities: Fulfilling Dreams; Mission Moments; Service Excellence Stories; Service Milestones; Associate Recognition; Engagement and Inclusivity Campaigns and Programs; Gallup Engagement Results and Planning Contact: [email protected] Associate Wellness Roles and Responsibilities: Biometric Screenings; Busey Bank Blood Drives; Health & Wellness Credit; Flu Vaccinations; B Well Program and Incentive Plan; Live Classes; Wellness Center; Wellness Wednesday; Wellness Challenges, Activities and Education; Wellness Coaches; Aduro Connect; Wellbeats; WW Contact: [email protected]

COMMUNICATION CHANNELS. THE VAULT The Vault is Busey’s intranet. It serves as a central communication station for all associates and gives you access to a wealth of information.

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Featured Articles The Vault Help Center Quick Navigation to organization-wide resources and support Links to OKTA, UKG, B Well, and many more Associate Directory Mission Moments Birthdays & Anniversaries ...and much more!

SOCIAL MEDIA Social media @ Busey allows us to communicate in a transparent and authentic manner to a variety of audiences. Utilizing social media allows Busey to: ■ ■ ■

show our community involvement start conversations with customers in ways traditional media cannot showcase our dedication to the Busey Promise

Associates are encouraged to like, follow and connect with Busey on social media. For more about social media, see the Marketing and Sales  Corporate Communications page on The Vault and refer to the Social Media section.

PAYROLL SCHEDULE 2023. PAYDAY 01/06/23 01/20/23 02/03/23 02/17/23 03/03/23 03/17/23 03/31/23 04/14/23 04/28/23 05/12/23 05/26/23 06/09/23 06/23/23 07/07/23 07/21/23 08/04/23 08/18/23 09/01/23 09/15/23 09/29/23 10/13/23 10/27/23 11/10/23 11/24/23 12/08/23 12/22/23

WEEK 1 12/18/22 01/01/23 01/15/23 01/29/23 02/12/23 02/26/23 03/12/23 03/26/23 04/09/23 04/23/23 05/07/23 05/21/23 06/04/23 06/18/23 07/02/23 07/16/23 07/30/23 08/13/23 08/27/23 09/10/23 09/24/23 10/08/23 10/22/23 11/05/23 11/19/23 12/03/23

– – – – – – – – – – – – – – – – – – – – – – – – – –

12/24/22 01/07/23 01/21/23 02/04/23 02/18/23 03/04/23 03/18/23 04/01/23 04/15/23 04/29/23 05/13/23 05/27/23 06/10/23 06/24/23 07/08/23 07/22/23 08/05/23 08/19/23 09/02/23 09/16/23 09/30/23 10/14/23 10/28/23 11/11/23 11/ 25/2 3 12/09/23

WEEK 2 12/25/22 01/08/23 01/22/23 02/05/23 02/19/23 03/05/23 03/19/23 04/02/23 04/16/23 04/30/23 05/14/23 05/28/23 06/11/23 06/25/23 07/09/23 07/23/23 08/06/23 08/20/23 09/03/23 09/17/23 10/01/23 10/15/23 10/29/23 11/12/23 11/26/23 12/10/23

– – – – – – – – – – – – – – – – – – – – – – – – – –

12/31/22 01/14/23 01/28/23 02/11/23 02/25/23 03/11/23 03/25/23 04/08/23 04/22/23 05/06/23 05/20/23 06/03/23 06/17/23 07/01/23 07/15/23 07/29/23 08/12/23 08/26/23 09/09/23 09/23/23 10/07/23 10/21/23 11/04/23 11/18/23 12/02/23 12/16/23

FIRST BUSEY CORPORATION PROFIT SHARING/401(k) PLAN OVERVIEW. Since beginning in 1971, First Busey Corporation (FBC) has annually contributed amounts to the Profit Sharing Plan to reward associates for a job well done and to help them save for retirement. In addition, the 401(k) section of the Profit Sharing Plan gives eligible associates the ability to defer a portion of their annual wages into the plan on a pre-tax and/or after-tax basis. Participants can choose how their money is invested from a variety of options.

401(K) / ROTH 401(K) Eligibility 21 years of age. Associate Contribution An associate may contribute either a flat dollar amount or a percentage (1% - 90%) of his/her eligible compensation, subject to IRS limitations, as an elective payroll deferral. 401(k) deferrals are taken before federal and state (if applicable) taxes are applied. Roth 401(k) deferrals are taken after federal and state (if applicable) taxes are applied. Changes to the contribution election may be made at any time through UKG  Myself  Life Events.

Corporate Contribution FBC will make Safe Harbor matching contributions each payroll equal to 100% of the first 3% eligible compensation you contribute to the Plan and 50% of the next 2% of eligible compensation you contribute to the Plan. Vesting Schedule Associate and corporate Safe Harbor contributions are immediately 100% vested.

PROFIT SHARING Eligibility Associates enter the Plan on January 1, April 1, July 1 or October 1 following attainment of age 21 and completion of one year of service during which you worked 1,000 hours. Corporate Contribution FBC may make a Profit Sharing contribution. Eligible associates receive the contribution if, at year-end, they have completed at least 1,000 hours of service during the year and are employed on the last day of the Plan year.

Vesting Schedule Vesting refers to the “ownership.” Completion of 1,000 hours of service per calendar year equals one year of vesting. Profit Sharing contributions are vested as follows: ■ 1 year of employment but less than 2 = 20% ■ 2 years but less than 3 = 40% ■ 3 years but less than 4 = 60% ■ 4 years but less than 5 = 80% ■ 5 years or more = 100%

PROFIT SHARING / 401(K) / ROTH 401(K) Investment Elections Participants have the responsibility of managing their own account utilizing various investment options. Profit Sharing, 401(k), Roth 401(k), Safe Harbor Match and Rollover (if applicable) balances are invested as one pool of money. Elections and changes to elections can be made at any time on the EPIC website at www.go-retire.com/Busey. For website assistance, you may call the EPIC Participant Service Center M–F, 7:00 a.m. – 7:00 p.m. (CST) at 800.716.3742 or email EPIC at [email protected].

Loans Loans are available from the Plan with no restrictions on purpose. Participants may borrow a minimum of $1,000 up to the lesser of one-half of the participant’s vested account balance or $50,000. The loan may be distributed from all Plan sources. The interest rate will be set at the prevailing U.S. (Fed) Prime Rate. Loan payments are made through after-tax payroll deductions back into the participant’s account. There is a $100 fee.

Plan Reporting Statements are generated following each quarter-end which illustrate the activity for the prior quarter. Participants who have not elected to receive these electronically will receive a paper statement. Complete account information is available anytime at www.go-retire.com/Busey.

WHO TO CONTACT PS/401(k) Plan Questions - Email [email protected] PS/401(k) Investment Questions - Email [email protected]

FIRST BUSEY CORPORATION PROFIT SHARING/401(k) PLAN ENROLLMENT INSTRUCTIONS. STEP 1: MAKE YOUR CONTRIBUTION ELECTION AND NAME YOUR BENEFICIARY ■

Go to UKG > Myself > Life Events and click on “I want to change my 401(k) election”

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Be aware that you may change your contribution election at any time

STEP 2: CHOOSE YOUR INVESTMENTS ■

Go to the EPIC website www.go-retire.com/Busey

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Enter your username (your SSN without dashes) and your PIN (your DOB - MMDDYYY)

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Click on Resource Center in the tool bar at the top

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Click on SmartPlan to use interactive tools to set up your account

HELPFUL INFORMATION

Associates age 21 or better are eligible to start contributing upon hire.



Complete Plan information including Plan documents and investment information is available on

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the

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It is important that both Step 1 and 2 are completed at the same time.



401(k)/Roth 401(k) elections/changes made on or before a non-payroll Friday will be effective on the

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following Friday payroll. Download the EPIC mobile app, Go-Retire, from the Apple or Android store for easy access.

QUESTIONS

EPIC website questions - EPIC participant Service Center 800.716.3742



PS/401(k) Plan questions - Email [email protected]

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PS/401(k) Plan investment questions - Email [email protected]

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FIRST BUSEY CORPORATION PROFIT SHARING/401 (k) PLAN INVESTMENT SELECTIONS. The following options are available to you as you make your investment selections. A. CUSTOMIZED INVESTMENT PORTFOLIO: You may customize your own portfolio by selecting from sixteen (16) available funds. 1. American Funds Growth Fund of America 2. Vanguard 500 Index Admiral Fund 3. Dodge & Cox Stock Fund 4. Congress Mid Cap Growth Fund 5. Vanguard Mid Cap Index Fund 6. American Century Mid Cap Value 7. Vanguard Small Cap Index Fund 8. DFA US Targeted Value Portfolio Institutional Fund 9. American Funds EuroPacific Growth Fund 10. GMO International Developed Equity Fund 11. AQR Emerging Multi-Style Fund 12. DoubleLine Core Fixed Income Fund 13. Federated Hermes Ultrashort Bond Fund 14. Schwab Bank Savings 15. American Funds Income Fund of America 16. Busey Stock Fund B. MANAGED PORTFOLIO: You may choose a Conservative, Moderate, Balanced, Growth or Aggressive Managed Portfolio. Each portfolio is professionally managed by Busey Wealth Management’s Investment Team and includes additional diversifying asset classes that are not available in the lineup above. C. RETIREMENT DATE FUNDS: You may choose from among eleven (11), T. Rowe Price funds that target a future date at which time retirement or asset distribution would occur. Funds with 2010, 2015, 2020, 2025, 2030, 2035, 2040, 2045, 2050, 2055, 2060 or 2065 maturity dates are available. BUSEY STOCK FUND INFORMATION The Busey Stock Fund is unitized which means your balance in the fund is expressed in “units” instead of shares because, technically, your account balance is made up of shares and a small percentage (1-3%) of cash. Unitization is an accounting method. A unit does not have the same price as a share of stock. When a unitized fund is established, the plan sponsor determines a unit price to represent a portion of stock and cash (usually $10). From then on, unit prices will fluctuate daily in nearly the same percentage as the underlying stock. It does not fluctuate exactly as the stock due to the small portion of cash in the fund. You can access complete information regarding these investment options through your online account at EPIC (www.go-retire.com/busey) or on the .

Did you know Busey Wealth Management provides complimentary services to all Busey associates? Your Total Rewards include:

Financial Planning Services

Retirement Planning Advice

Free Analysis for Outside Brokerage Accounts

Investment Services (at a Discounted Fee)

Access to a Variety of Exclusive Educational Seminars

Review of Existing Life Insurance Policies

For more information or to schedule a time to meet with a Wealth Management Associate in your region, email [email protected] or 217.365.4800.

As you know, customer confidentiality is important in our line of work, so rest assured that same confidentiality extends to any discussions you have with the Financial Planning Team. As an associate, you can expect the Financial Planning Team to increase security around your situation by limiting the associates within their area who can view your information.

FIRST BUSEY CORPORATION INSURANCE PLAN OVERVIEW. ELIGIBILITY All full time associates. Coverage is effective the 1st of the month following 30 days of full time employment. The elections you make are effective through December 31.

DEDUCTIONS Applicable deductions begin the 1st payroll following the effective date of coverage. Deductions are taken on each of the 26 payroll dates. Deductions taken in the month, are for that month. Medical, dental, vision, Health Savings Account and Flexible Spending Account deductions are taken on a pre-tax basis. All other deductions are after-tax. Group Term Life/AD&D and Long Term Disability are paid for by Busey.

ENROLLMENT New hires will complete their insurance enrollment in UKG  Myself  Life Events  I am a new associate (This should be completed at least 2 weeks prior to your coverage effective date). All associates will complete the annual open enrollment in UKG typically during the first two weeks of November for coverage effective the following year.

INSURANCE CHANGES Please be aware that the only time you can make changes to your insurance elections during the plan year is if you have a qualifying life status event. CORE INSURANCE OPTIONS Medical You have a choice between two Consumer-Driven Health Plans and two PPOs. Depending on where you reside, you will be offered coverage through Health Alliance (central IL Markets) or UMR (all other Markets). Pharmacy This prescription drug coverage (through Express Scripts) integrates with your medical plan – no election is necessary. Dental and Vision through Guardian. Group life/AD&D, Voluntary Life and Long Term Disability through Symetra.

VALUE-ADDED INSURANCE OPTIONS Short Term Disability through Symetra. Accident, Critical Illness, and Hospital Indemnity through VOYA Worksite Benefits. Identity Theft Protection through LifeLock. Pet Insurance through Pet Benefit Solutions. Legal Advisory Services through ARAG.

TOOLS TO MAXIMIZE YOUR COST SAVINGS AND INSURANCE BENEFITS Health Savings Account (HSA) and Flexible Spending Accounts (FSA) These tax-advantaged savings accounts allow you to deposit pre-tax dollars toward your healthcare needs. Alight This no-cost, transparency tool is available to all full time associates (not just those on Busey’s medical plan) and immediate family members.

YOUR TOTAL WELL-BEING (at no cost to you!) Allsup’s trained specialists will personally consult with you as you near Medicare eligibility about your medical and financial needs and help you compare your existing Busey coverage to Medicare alternatives. Omada provides virtual physical therapy to associates (on a Busey medical plan) with joint and muscle pain, whenever they need it, wherever they are. Through the Employee Assistance Program (EAP), ComPsych’s trained clinicians can assist you and your dependents with personal/family issues that may impact your health, mental, and emotional well-being.

TIME OFF. VACATION

FAQ

Associates will accrue vacation time throughout the year based on their benefit level and years of service. Vacation hours will accrue each payroll based on the number of hours worked, paid holiday hours, and paid vacation/sick/award hours.

What increments can vacation, sick and award time be taken in?

Full-time associates may use vacation hours prior to being accrued not to exceed the annual amount indicated on the Benefit Levels | Time Off schedule.

Non-exempt (hourly) associates may use vacation, sick and award time in any increment. Exempt (salaried) associates may use vacation, sick and award time in 4 hour increments. Where can vacation, sick and award time balances be seen?

Associates can find their Benefit Level on UKG  Myself  Jobs  Jobs Summary.

UKG under Myself  Benefits  PTO Plans shows hours accrued, available for use and processed (taken).

As part of Busey’s required regulatory compliance, all full time associates must be absent from the Company for 5 consecutive business days each calendar year; for those full time associates hired during the current year, this is required annually starting the following calendar year. Paid holidays or sick time may not be included in the five consecutive time off requirement.

Will I lose any of my time if I don’t use it before the end of each year?

SICK

Part-time associates may carry over up to 20 hours and full-time associates may carry over up to 40 hours of accrued unused vacation time. Sick time will accrue up to a maximum of 40 hours for part-time associates and up to a maximum of 520 hours for full-time associates. Any unused award time will be forfeited. If I leave Busey, will I get paid for my time?

Busey provides paid sick time for both full-time and parttimes associates based on the number of hours worked each payroll. Sick time may not be used prior to accrual.

All accrued and unused vacation time will be paid to the associate when employment ends; sick and award time is not paid.

Benefit Level 3 and 4 associates will be granted 10 days (80 hours) upon hire. Benefit Levels 5-8 and 10 associates will be granted 20 days (160 hours) upon hire.

Can I use sick time for appointments or for family members?

AWARD Award time will be provided to associates in January following the year in which hired to commemorate an associate’s birthday and Busey employment anniversary. Award time can be used for any reason, including a wellness day, a personally important holiday not observed by Busey or as additional vacation and requires advance approval by associate’s supervisor. Full-time associates will receive 16 hours each year. Part-time associates will receive 8 hours each year.

Sick time can be used for doctor, dental or eye appointments. Sick time can be used to care for family members under your care (such as children or elderly parents).

BENEFIT LEVELS | TIME OFF. PART-TIME ASSOCIATES Benefit Level 1 YEARS OF SERVICE

VACATION TIME ACCRUED

1-4 5 - 10 11 - 15 16 & over

0.0193 per regular hour worked 0.0385 per regular hour worked 0.0481 per regular hour worked 0.0577 per regular hour worked

SICK TIME ACCRUED

AWARD TIME

0.0249 per regular hour worked SICK 0.0249 per regular hour worked DAYS/YEAR 0.0249 per regular hour worked 0.0249 per regular hour worked

8 hours 12 hours 14 hours 16 hours

FULL-TIME ASSOCIATES Full-time Vacation Accrual Chart DAYS/YEAR

HOURLY ACCRUAL RATE

TOTAL HOURS ACCRUED PER PAYROLL

HOURS ACCRUIED/YR

10 15 20 25

.0385 per regular hour worked .0577 per regular hour worked .0769 per regular hour worked .0962 per regular hour worked

3.080 hours 4.616SICK hours 6.152DAYS/YEAR hours 7.696 hours

80 hours 120 hours 160 hours 200 hours

Benefit Levels 3 and 4

Benefit Level 2 YEARS OF SERVICE

SICK VACATION DAYS/YEAR* DAYS/YEAR*

AWARD TIME/YEAR

YEARS OF SERVICE

VACATION DAYS/YEAR

SICK DAYS/YEAR*

AWARD TIME/YEAR

1 2-9 10 - 14 15 & over

10 days 15 days 20 days 25 days

2 days 2 days 2 days 2 days

1-4 5-9 10 & over

15 days 20 days 25 days

8 days 8 days 8 days

2 days 2 days 2 days

8 days 8 days 8 days 8 days

Benefit Level 6

Benefit Level 5 YEARS OF SERVICE

VACATION SICK DAYS/YEAR* DAYS/YEAR*

AWARD TIME/YEAR

YEARS OF SERVICE

VACATION SICK DAYS/YEAR* DAYS/YEAR*

AWARD TIME/YEAR

1-4 5 & over

20 days 25 days

2 days 2 days

1-2 3 & over

20 days 25 days

2 days 2 days

8 days 8 days

8 days 8 days

Benefit Level A | 100% Commission Associates^

Benefit Levels 7 and 8 YEARS OF SERVICE

VACATION SICK DAYS/YEAR* DAYS/YEAR*

AWARD TIME/YEAR

YEARS OF SERVICE

Vacation Time Accrued per Bi-weekly Payroll

SICK DAYS/YEAR

AWARD TIME/YEAR

1 & over

25 days

2 days

1-4 5-9 10 & over

15 days 20 days 25 days

8 days 8 days 8 days

2 days 2 days 2 days

8 days

Benefit Levels 9 & 10 YEARS OF SERVICE

VACATION SICK DAYS/YEAR* DAYS/YEAR*

AWARD TIME/YEAR

1 & over

25 days

2 days

8 days

*Based on working 40 hours/week ^Associate will be eligible for time off; hours will have no monetary value and used for reporting purposes only

APPEARANCE | DRESS FOR YOUR DAY. As associate appearance contributes to Busey’s culture, environment and credibility with customers, Busey associates accept the responsibility to convey professionalism through language, conduct and appearance. Your total appearance says more about you than any verbal message you deliver – it’s essential to the favorable perception our customers have of our reliability and expertise in assisting them with their financial needs. In representing Busey to our customers, you are required to ‘Dress for your Day’, following the proper guidelines for either Professional dress or Business Casual dress as outlined below:

PROFESSIONAL DRESS ■

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Business suit; dress shirt, suit jacket/sports coat and dress slacks; dress slacks, dress shirt and tie Suit jacket/sports coat/blazer/sweater set paired with dress slacks, professional dress capris (lower-calf length) or skirt of appropriate length Dress appropriate length (can be business-style sleeveless – no spaghetti straps) Dress shoe, dress sandal, loafer or other business-appropriate footwear

BUSINESS CASUAL DRESS ■

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Dress slacks/business-appropriate slacks worn with dress shirt, polo shirt with collar, oxford button-down shirt, turtleneck, sweater, or Busey logo wear; shirt is to be tucked in Dress slacks/business-appropriate slacks or professional dress capri (lower-calf length) worn with blouse, shirt, sweater/sweater set, turtleneck or vest (Note: Sleeveless top/blouse should be accompanied with a blazer/jacket or sweater cardigan) Dress shoe, dress sandal, loafer or other businessappropriate footwear

PROFESSIONAL VS BUSINESS CASUAL ■

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Professional Dress is required for associates in direct customer contact - promoting the company’s culture, products and services, and/or those participating in professional meetings with internal or external stakeholders Business Casual Dress is required for associates in noncustomer facing roles or for workdays without customer facing or professional meetings with internal or external stakeholders Customer-facing retail branch associates may follow the Business Casual Dress guidelines

BUSEY LOGO ATTIRE ■

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Associates may wear approved professional or business casual Busey logo wear paired appropriately with requirements outlined above Associates may utilize the Professional Image Program (Policy #307) for the purchase of logo wear items

PAY IT FORWARD FRIDAY JEANS DAY AND OTHER SPECIAL ATTIRE ■

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Associates may wear work appropriate jeans every Friday with participation in the Pay It Forward Friday Program Each year other special attire days may be designated and approved by management in support of charity or other events happening at Busey

REMOTE WORKFORCE DRESS While on camera during remote meetings/conferences: ■ Adhere to Busey’s professional dress recommendations if meeting with customers ■ Use Busey’s business casual dress recommendations for other professional meetings ■ Ensure the space projected on camera is well-kept

STANDARDS FOR ALL ASSOCIATES Not Acceptable: ■ Tank, tube, hooded, cropped, off-the-shoulder or lowcut tops ■ Shorts; skirts shorter than fingertip length ■ Jeans, stretch, stirrup, knit, yoga, cargo pants; pants with rear patch pockets/studs/etc. ■ Slacks/pants worn low on the waist exposing undergarments or midriff ■ Fleece, sheer, casual wear fabrics, unless approved Busey logo wear ■ Casual sandals, athletic shoes, beach footwear, flip flops, combat, or hiking boots ■ Hats ■ Attire with writing (other than approved Busey logo wear) Personal Appearance & Grooming Expectations: ■ Associates are to bathe regularly and practice good personal hygiene and cleanliness habits ■ Hair/mustache/beard should be neat and trimmed; colored in a naturally occurring color ■ Conservative amounts of cologne/perfume/after-shave ■ Tattoos, facial jewelry or piercings should be covered or discreet/not distracting ■ Clothing should be clean and neatly pressed/wrinkle free; clothes should be in presentable condition and in good repair without rips or holes

BENEFITS PROGRAMS. PROFESSIONAL IMAGE PROGRAM Busey offers associates a clothing advance program. Associates can purchase clothing for work and pay for them through the Professional Image Program (PIP), which operates like an interest-free loan. ■

Associates are eligible for PIP upon hire

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Minimum allowance – $50 Maximum allowance – $500 for full time associates/$250 for part time associates The advance will be repaid through payroll deductions over 6 months or 12 pay periods Associates may apply for the allowance up to 6 times per year

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Completed PIP forms (available on UKG  Forms) along with the original receipt(s), should be sent to the Human Resources Department. Receipts older than 30 days will not be accepted Upon termination, any outstanding balance will be deducted from the associate’s wages.

FITNESS INITIATIVE PROGRAM Healthy associates are happy associates; happy associates mean happy customers. To encourage associates to make fitness a part of their lives, Busey offers a monetary Health and Wellness credit for belonging to a fitness club. ■

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Completed Health & Wellness Credit Request Form (accessed through the BWell Portal), along with proof of membership, will be submitted to the Human Resources Department. Associates are eligible for the credit after 90 days employment A taxable credit will be given the first 2 payrolls of each month

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$6 credit for those in the Champaign-Urbana market $10 credit for those in all other markets If you cancel your fitness club membership, complete the Health & Wellness Credit Enrollment Request Form to request cancellation of your credit and send it to the Human Resources Department

EDUCATIONAL OPPORTUNITIES

VERIZON EMPLOYEE DISCOUNT

Knowing that it is in the best interest of the Company to have the most knowledgeable staff possible to serve the needs of our clients, Busey recognizes the benefits of assisting associates with the opportunities to obtain this knowledge. Busey encourages associates to enroll in business or job-related classes or certification programs to be taken outside normal working hours through local junior, community or four-year colleges and universities and certification institutes.

Receive up to an 18% discount on your wireless plan and additional discounts on accessories. Visit verizonwireless.com/getdiscount to register. You will be required to enter your work email address.

If you and the course(s) you are interested in taking meet the eligibility requirements outlined in the Educational Opportunities program found in the Personnel Policy Manual, Busey will reimburse or pay for all or part of your tuition/fee expenses for 2 courses per semester.

VISA EMPLOYEE CREDIT CARD Associates can apply for an employee credit card with Elan Financial Services and receive special benefits. Contact a Universal Banker or Personal Banker to assist with accessing the site and applying on-line.

Through this company-sponsored voluntary “wealth accumulation” benefit, associates can elect to contribute funds to purchase shares of Busey common stock (BUSE), on a quarterly basis, at a 15% discount, through after-tax payroll deductions. At the end of the quarter, the associate’s accumulated funds are used to purchase stock on behalf of the participating associate. It’s an affordable, easy, and convenient way for associates to share in the growth and success of our company.

ELIGIBILITY

IF YOU WITHDRAW FROM THE PLAN

All active associates.

Your payroll deduction will stop as soon as administratively feasible. Your accumulated contributions up to that point will be refunded to you via payroll, as soon as practical. No purchase will be made.

YOUR CONTRIBUTION You may contribute up to 20% (as a whole percentage) of your eligible compensation through after-tax payroll deductions. Eligible compensation generally includes regular wages, overtime, incentives, commissions, and bonuses.

OFFERING PERIOD The Offering Period is a 3-month period, beginning January 1, April 1, July 1, and October 1, during which you make contributions to the Plan.

ENROLLMENT PERIOD You make your contribution percentage election from the 1st to the 15th of the month immediately preceding an Offering Period.

STOCK PURCHASE Shares of First Busey Corporation stock are purchased with your accumulated contributions at 85% of the Fair Market Value of Busey common stock (BUSE) at the beginning of the quarter (Grant Date) or the end of the quarter (Investment Date)—whichever is lower. Full and fractional shares are purchased.

WHERE ARE THE SHARES HELD? We partner with Computershare to assist in the administration of our ESPP. Shares are credited to an account in your name at Computershare.

DIVIDENDS Through the Computershare Employee Online Website, you may elect to receive any dividends in cash or reinvest them in additional shares.

SELLING/TRANSFERRING YOUR SHARES/TAXES You may sell or transfer your shares after a 21-month holding period following the Purchase Date. Tax implications vary depending on how long the shares are held. You are responsible for all taxes, trading commissions and other fees that may apply when selling your shares. Information regarding the taxation of ESPPs is available in the Plan Guide and Plan Prospectus.

PLAN REPORTING You may access your account at any time via the Computershare website. In addition, an annual statement will be mailed to you in January showing the shares purchased the prior calendar year.

COMPUTERSHARE RESOURCES In addition to enrolling through the Computershare website, you can access all your account information and a variety of educational information.

MAKING/CHANGING YOUR ELECTION

BENEFIT PORTAL RESOURCES

You will make your initial contribution election and any subsequent changes on the Computershare Employee Online website at www.computershare.com/employee/ us, using the Global ID and PIN emailed to you from Computershare. You may make changes during the Offering Period or withdraw from the Plan from the first day of the Offering Period through the 15th of the third month of the Offering Period.

You’ll find the Plan Highlights, Plan Prospectus and Plan Document, a link to the Computershare website and instructions on how to access the Computershare website on the . Associates are encouraged to carefully review these important Plan documents.

QUESTIONS For general plan questions, email [email protected]. For assistance with the website, contact Computershare Customer Service at 866.394.1348 or 201.680.6943. For tax questions, contact your financial or tax advisor.

This is intended for informational purposes only. Please refer to the Plan Prospectus, located on the advisor to discuss your individual situation. Performance of BUSE stock is not guaranteed.

. Speak to your financial or tax

B BUSEY’S WELLNESS PROGRAM Wellness means something different to everyone, and Busey offers a holistic approach by looking at a person as a whole-being with B Well—a personalized and comprehensive health and wellness program. This program is available exclusively to Busey associates. This award-winning wellness program offers encouragement while focusing on the eight interconnected dimensions of wellness—emotional, environmental, financial, intellectual, occupational, physical, social and spiritual. All associates have access to the following: 

Busey’s Wellness Center

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Live In-Person and Virtual Classes—Endurance, HIIT, Pilates, Yoga

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Access to Certified Wellness Coaches

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Incentive Program—Partnered with Aduro Connect

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Health and Wellness Credit

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Complimentary Flu Vaccinations

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CPR Lunch and Learns

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Self Defense Workshop

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Wellbeats—On-Demand Wellness Streaming Service

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Discounted WW Plans for Associates and Spouses/Domestic Partners

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Wellness Wednesday- short wellness sessions designed to engage the audience in a wellness activity and wellness-centered topic in under 30 minutes!



Associates can learn more about these wellness benefits by visiting the B Well Portal, which can be found through Okta or UKG. B Well’s challenge platform, Aduro Connect, provides the strategies, privacy and support to adopt and maintain a healthier lifestyle, one habit at a time. By taking advantage of the possibilities offered through Aduro, B Well can help you enhance your health and wellbeing while putting money back in your pocket. Associates can earn up to $1,100 every year by accumulating points in Aduro Connect. If enough points are earned to reach a level, the incentive payout associated with that level is paid out the month following the quarter ending. Associates who are enrolled in Busey’s Consumer Driven Health Plan (CDHP) and qualified for a Health Savings Account (HSA) can choose from the following options through the Pick Your Prize challenge. Associates who are not enrolled in Busey’s CDHP or do not qualify for an HSA will receive Option 2: Cash Incentives.

OPTION 1: HSA DEPOSITS

OPTION 2: CASH INCENTIVES

1,000 Points—B Informed

$250 HSA Deposit

$250 Cash Deposit

3,000 Points—B Active

$250 HSA Deposit

$250 Cash Deposit

5,000 Points—B Healthy

$250 HSA Deposit

$250 Cash Deposit

7,000 Points—B Well

$350 Insurance Discount*

$250 Cash Deposit

$1,100 Cumulative

$1,000 Cumulative**

*The $350 insurance discount is applied as a $13.47 taxable credit over 26 pay periods the following year. **All cash incentives are subject to taxes per the IRS. All cash incentives are grossed up to account for this tax. Questions? Contact [email protected].

VOLUNTEER. To encourage the continued support of our Community Promise, Busey associates will be empowered to regularly participate in community service events. All full-time associates are granted up to two hours of paid volunteer time each month for service during their scheduled weekday shift. Paid volunteer time cannot be used for overtime. To take advantage of this optional benefit, associates must obtain supervisor approval to participate in a volunteer event during normal business hours. Available Busey sponsored opportunities are posted to the Brand Strategies  Community Relations page on The Vault.

IMPACT ON COMMUNITY REINVESTMENT ACT (CRA) RATING CRA requires Busey to be regularly evaluated on how well we support and serve low-to-moderate income geographies. To ensure we’re meeting this standard, we actively seek out CRA qualified volunteer events to support. To qualify for CRA credit, associates must volunteer to serve in a financial capacity for an event that helps develop the community. Examples: Not Qualified – An associate volunteers for a Habitat for Humanity build. While the organization is CRA qualified, the associate is providing construction services, not acting in a financial capacity. Qualified – An associate volunteers for the Habitat for Humanity ReStore. Not only is the organization CRA qualified, the associate is acting in a financial capacity by raising funds to support the organization. For more information on the CRA and what constitutes CRA qualified events, please visit the The Vault  Corporate Admin  Risk Management  Regulatory Compliance Program  CRA.

TRACKING Full-time associates having completed 90 days employment and wishing to use Paid Volunteer Time will track their qualified volunteer hours through Time & Attendance. Volunteer time will be coded as Volunteer Hours, and associates will include the name of the organization served in the comments section.

CAREER EXCURSIONS. Developed as a complement to Busey’s Taking Flight on-boarding program, Career Excursions provide associates with an opportunity to network and learn about the many different career paths at Busey. Career Excursions are designed to be a guided empowerment piece for those wondering how to develop their career trajectory and learn more about our organization. HOW IT WORKS Career Excursions provide a more comprehensive opportunity to explore other lines of business. The program is designed to identify best practices and process improvements, promote collaboration across the organization, foster relationship building and identify talent opportunities. Each department at Busey will have a Career Excursions track that will provide all interested associates with a uniformed experience. Program engagement includes: ■

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Completed and approved participation application Participation confirmation sent to associate and their manager Visit itinerary (expectations for applicant – separate list sent to visiting department) Mission and purpose of Career Excursions overview Peak Performer Call to Action Visit scheduled by the Associate Development team and host department

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Department Specific Overview • Who We Are (pulled from capability presentations) • Career entry path requirements and recommendations (gathered through Talent Acquisition) Follow-up visit survey (completed by associate and host department)

Associate eligibility requirements: ■

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Associate must be employed with Busey for a minimum of 6 months Associate must be a graduate or currently enrolled in either Develop or Service Academy

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Department leadership must grant approval to participate Associate must be in good standing with Busey

Click here to enroll or contact the Associate Development team at [email protected].

TOTAL REWARDS AT BUSEY Total Rewards is what Busey provides you in return for your time, talents, efforts and results. Your quality of life—now and in the years to come—is important to us.

Work-Life B Full-Time & Part-Time Employment

Employee Assistance Program (EAP)

Wellness Credit for Fitness Club Membership

B Well Initiatives/ Incentives

Dependent Care Flexible Spending Account

In-House Financial Planning Services & Education

Legal Advisory Services

Community Promise

Bank/Wealth Management Service Discounts

Professional Image Program (PIP)

Medicare Consulting Service (Allsup)

Performance & Recognition

1:1 Meetings

Performance Reviews

Performance Planning/ Goal Setting

Service Milestones

Retirement Recognition

Fulfilling Dreams

Customer Service Recognition

Associate Appreciation Month

Peer to Peer Service Recognition

Compensation

Annual Salary

Holiday Pay

Sales & Performance Incentives

Performance Bonus Awards

Development & Career Opportunities

Tuition Reimbursement

On-the-Job Learning

Attendance at Outside Seminars & Conferences

Access to Virtual Learning & Webinars

In-House Training Programs

Self-Development Tools

Career Excursions

Internal Job Postings

Job Advancement/ Promotion

Career Discovery Internship Program

Benefits

Medical/Prescription Drug Plan

Dental Plan

Vision Plan

Worksite Benefits

Flexible Spending Accounts (FSA)

Health Savings Account (HSA)

Life Insurance

AD&D Insurance

Spouse/Dependent Life Insurance

Short-Term/Long-Term Disability Insurance

Pet Insurance

Cost Transparency & Financial Advocate Tool

Theft-ID Protection

Profit Sharing Plan

401(k) / Roth 401(k)

401(k) Safe Harbor Match

Unemployment Insurance

Workers’ Compensation Insurance

Social Security Insurance

Medicare

Vacation

Sick Time

Award Time

Physical Therapy for Joint & Muscle Pain (Omada)

Bereavement Leave

Stock Purchase Plan

Insurance Decision Support Tool