Company: ISBA
Filing Date: 2025-03-25
Form Type: DEF 14A
Source: 0000842517-25-000071
Chunk: 23

Company: ISABELLA BANK CORP
Filing Date: 2025-03-25
Form: DEF 14A
Chunk 23
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. If these grant conditions are not satisfied, then the award of restricted shares will lapse or be adjusted appropriately, at the discretion of the Board of Directors. Restricted stock awards granted are not fully transferable or vested until certain conditions are met, as stated in the plan.

<div align='center'>11</div>

Clawback Policy . The Corporation has adopted a clawback policy which provides for recoupment of certain executive compensation in the event of an accounting restatement resulting from material noncompliance with financial reporting requirements under the federal securities laws. This policy applies to any cash or equity compensation which is granted, earned or vested based wholly or in part on the attainment of a financial reporting measure. Consequently, the policy applies to the SERP, the Executive Cash Incentive Plan, and the RSP.

<div align='center'>Potential Payments Upon Termination or Change in Control</div>

The estimated amounts payable to each named executive officer upon severance from employment, retirement, termination upon death or disability or termination following a change in control are described below. For all termination scenarios, the amounts assume such termination took place as of December 31, 2024.

#### Any Severance of Employment
Regardless of the manner in which a named executive officer’s employment terminates, he or she is entitled to receive amounts earned during his or her term of employment. Such amounts include:

• Amounts accrued and vested through the Defined Benefit Pension Plan.

• Amounts accrued and vested through the Retirement Bonus Plan.

• Amounts credited and vested through the SERP.

• Amounts deferred in the Directors Plan.

• Amounts granted and vested through the Restricted Stock Plan.

• Eligible unused vacation and short-term disability pay.

#### Retirement
In the event of the retirement of an executive officer, the officer would receive the benefits identified above.

#### Death or Disability
In the event of death or disability of an executive officer, in addition to the benefits listed above, the executive officer will also receive payments under our life insurance plan or under our disability plan as appropriate.

#### Change in Control
We currently do not have a change in control agreement with any of the executive officers. Under the SERP, each participant would become 100% vested in their SERP account upon a change in control. Under certain conditions, following a change in control, if a participant is involuntarily terminated without cause or voluntarily terminates for good reason all uncredited annual credits would be credited to his or her SERP account. If termination took place on December 31, 202