Document:

EX-4.12

 Exhibit 4.12 

AGREEMENT OF TRANSFER 

BETWEEN 
 UNITED BANK
401(k) PLAN 
 AND 

PEOPLE’S UNITED BANK, N.A. 401(k) EMPLOYEE SAVINGS PLAN 

WHEREAS, People’s United Bank, National Association (the “Bank”), and its corporate predecessors have maintained a tax-qualified savings plan for the benefit of the employees of the Bank and some of its affiliates, which plan has been amended and restated from time to time (the “People’s Plan”); and 

WHEREAS, United Bank (“United”) previously established the United Bank 401(k) Plan, which plan has been amended and restated
from time to time and terminated effective October 27, 2019 (the “United Plan”); and 
 WHEREAS, the People’s Plan and
the United Plan have always constituted and have always been intended to constitute tax-qualified plans meeting the requirements of Section 401(a) of the Internal Revenue Code, as amended from time to
time (the “Code”) and other requirements applicable to such plans under ERISA; and 
 WHEREAS, as a result of the merger of
United with and into the Bank, as of November 1, 2019, the Bank became successor employer to United and successor sponsor of the United Plan; and 

WHEREAS, certain Inactive Participants in the United Plan have outstanding participant loans; and 

WHEREAS, the United Plan and the People’s Plan permit plan participants to continue the payment of participant loans after
termination of employment; and 
 WHEREAS, the Bank desires to allow Inactive United Plan Participants with outstanding participant
loans the opportunity to continue repayment of such loans after the United Plan has been fully distributed through a trustee to trustee transfer of the account balances of these participants to the People’s Plan; and 

WHEREAS, certain Inactive United Plan participants with outstanding participant loans have consented to the transfer of their account
balance under the United Plan to the People’s Plan (the “United Plan Loan Participants”); and 
 WHEREAS, the
Bank’s management level HR Administrative Committee has approved the transfer of the account balances of the United Plan Loan Participants from the United Plan and corresponding Trust to the People’s Plan and corresponding Trust (the
“Transfer”). 
 NOW, THEREFORE, the account balances of the United Plan Loan Participants under the United Plan shall
transfer to the People’s Plan as follows: 

 1. The account balances of the United Plan Loan Participants under the United Plan shall be
transferred to the equivalent accounts under the People’s as soon as administratively feasible following the effective date of this Agreement (the “Transfer Date”). 

2. The Transfer shall not be applied to result in the receipt by a United Plan Loan Participant immediately after the Transfer (if the
People’s Plan is then terminated) of a benefit which is less than the benefit to which he would have been entitled under the terminated United Plan immediately before the Transfer. It is intended that the Transfer and any amendments to the
United Plan and the People’s Plan with regard to the Transfer satisfy the terms of Sections 401(a)(12), 411(d)(6) and 414(l)(1) of the Internal Revenue Code and regulations thereunder. 

3. The assets transferred from the United Plan shall be accepted by the People’s Plan and related Trust in accordance with the terms of
the People’s Plan and Trust and such reasonable arrangements for transition and investment or reinvestment as may be made between or among the Bank and, to the extent applicable, the third party administrator of the People’s Plan, any
third party administrator of the United Plan, and the respective trustees of the People’s Plan Trust and the United Plan Trust. In any event, the assets so transferred, together with the assets of the People’s Plan Trust, shall be
available to pay all benefits payable under the People’s Plan on or after the Transfer Date. 
 4. Separate counterparts of this
Agreement may be executed and delivered, each of which shall be deemed an original instrument, but all of such counterparts together shall constitute but one and the same Agreement. 

  
 2 

 IN WITNESS WHEREOF, and to memorialize the Transfer evidenced hereby, the parties
hereto have caused this Agreement of Transfer to be executed by duly authorized Officers. 
  

			
	PEOPLE’S UNITED BANK, N.A., AS PLAN
	SPONSOR OF THE PEOPLE’S UNITED BANK,
	N.A. 401(k) EMPLOYEE SAVINGS PLAN
		
	By:	 	 /s/ John P. Barnes

		 	John P. Barnes
		 	Its Chief Executive Officer
		
	Date:	 	 September 12, 2021

	
	PEOPLE’S UNITED BANK, N.A., AS PLAN
	SPONSOR OF THE UNITED BANK 401(k)
	PLAN
		
	By:	 	 /s/ John P. Barnes

		 	John P. Barnes
		 	Its Chief Executive Officer
		
	Date:	 	 September 12, 2021

  
 3EX-4.13

 Exhibit 4.13 

FIRST AMENDMENT 
 TO THE
PEOPLE’S UNITED BANK, N.A. 
 401(k) EMPLOYEE SAVINGS PLAN 

SIXTH AMENDMENT AND RESTATEMENT 

WHEREAS, People’s United Bank, National Association, a national banking association organized under the law of the United States
(the “Bank”) maintains the People’s United Bank 401(k) Employee Savings Plan for the benefit of certain of its employees who meet certain qualifications and for the qualifying employees of its affiliates who have adopted the Plan (the
“Plan”); and 
 WHEREAS, the Plan has always constituted and has always been intended to constitute a tax-qualified Plan meeting the requirements of Section 401(a) of the Internal Revenue Code, as amended from time to time (the “Code”) and all other requirements applicable to the Plan under ERISA; and

 WHEREAS, the Plan has been amended from time to time, and restated most recently in the form of the Sixth Amendment and
Restatement as of January 1, 2020; and 
 WHEREAS, the Bank has reserved the right to make amendments from time to time to the Plan
as restated, pursuant to Sections 10.1 and 10.2 thereof; and 
 WHEREAS, pursuant to the Agreement and Plan of Merger dated as of
July 15, 2019, between People’s United Financial, Inc. and United Financial Bancorp, Inc., United Bank (“United”) merged into and with the Bank effective November 1, 2019; and 

WHEREAS, the Bank has determined to transfer the account balances of certain Inactive Participants under the United Bank 401(k) Plan
(the “United Plan”) who have consented to such transfer; and 
 WHEREAS, the Bank’s management level HR Administrative
Committee, has approved the transfer of these United Plan account balances to the Plan; and 
 WHEREAS, the undersigned officer has
been duly authorized to execute such amendments. 
 NOW, THEREFORE, the Bank hereby amends the Plan as follows, effective as of 9/12
, 2021 except as otherwise provided herein: 
 1. Appendix S is hereby amended to read in its entirety as attached hereto and made a part
hereof. 
 2. The amendments made hereby shall become effective as set forth herein, subject to the provisions of this paragraph. The Plan
as amended may be submitted to the Internal Revenue Service (the ‘IRS’) with a request for a written ruling to the effect that the provisions as set forth herein will result in the Plan continuing to be a qualified Plan as set forth in the
provisions of Section 401 of the Internal Revenue Code of 1986, as it may from time to time be amended. To 

 the extent that any provisions contained in such amendments would contain any provision
which would adversely affect such qualified status in the opinion of the IRS, such provisions, subject to the last sentence of this paragraph, shall become null and void. Further, the Plan shall be subject as of the applicable effective date set
forth herein to all provisions of any further amendments so made in response to any suggestions, comments or requests by any personnel of the IRS in connection with the request described in this paragraph. Notwithstanding the foregoing, in the event
that any action for declaratory judgment is instituted in the Tax Court in connection with any refusal or failure to issue such written determination by the IRS or any adverse action with respect to such request, the putting into effect of any such
amendment shall be further postponed, but all amendments shall be made in accordance with the decision of the Tax Court or such decision as it may be altered or changed upon further proceedings before the Tax Court or any appeal therefrom, all as of
the applicable effective date indicated herein. 

  
 2 

 IN WITNESS WHEREOF, People’s United Bank, N.A. acting by its duly authorized
officer, hereby executes this amendment to be effective as herein provided. 
  

			
	PEOPLE’S UNITED BANK, N.A.
		
	By:	 	 /s/ John P. Barnes

		 	John P. Barnes
		 	Its Chief Executive Officer
		
	Date:	 	 September 12, 2021

 APPENDIX Q 

PROVISIONS APPLICABLE TO 

FORMER UNITED EMPLOYEES 

PROVISIONS APPLICABLE TO 

FORMER UNITED EMPLOYEES 
  

	S.1.1	 Merger with United Bank (“United”) 

(a) The provisions of this Appendix S are applicable solely to Former United Employees and any other persons described herein, effective as of
November 1, 2019. 
 (b) Each Former United Employee shall have all hours of service and any other service rendered to United (or its
affiliates or predecessors) prior to 12:01 a.m. on November 1, 2019, included in the computation of Hours of Service, Years of Service and Years of Employer Retirement Contribution Eligibility Service for eligibility and vesting respectively under
this Plan to the extent such service would be so credited had it been rendered to the Bank. In any event, any service credited pursuant to the preceding sentence shall include service required to be credited to such Former United Employee under the
United Bank 401(k) Plan (the “United Plan”) with respect to eligibility and vesting. 
 (c) Each Former United Employee shall
become a Participant on the earlier of (i) the first day following November 11, 2019, on which a Salary Reduction Contribution election if made by the Employee (or deemed to have been made pursuant to Subsection 3.1(c) hereof) may become
effective under the applicable terms of the Plan, as administratively practicable, provided he continues to be employed on such date; and (ii) the first day of the first calendar month following the date such Employee completes one Year of
Employer Retirement Contribution Eligibility Service (after giving effect to clause (b) of this Section S.1.1), provided he is then an Employee, and further provided that in any event he shall not become a Participant before November 11, 2019.

 (d) Each Former United Employee who has an outstanding participant loan under the United Plan at the time the United Plan terminates, and
who becomes a Participant of this Plan under clause S.1.1(c), shall be permitted to rollover the participant promissory note in respect of such participant loan from the United Plan provided such participant loan is not in default at the time the
rollover distribution from the United Plan is made. 
 (e) Notwithstanding any other provisions of the Plan to the contrary, the Retirement
Contribution Compensation of any Former United Employee shall not include any amount paid to such Former United Employee before November 1, 2019. 
 Q.1.2
Transfer of Certain Plan Assets from the United Plan 
 As a result of a Transfer Agreement between the Plan and the United Plan effective
September 12 , 2021 (the “Transfer Agreement”) plan assets from the United Plan shall be transferred to this Plan for the benefit of certain Former United Employees who have outstanding loans under the United Plan but who have no
account balance under the Plan as of the effective date of the Transfer Agreement (the “United Plan Transferees”). 

 The United Plan Transferees shall be 100% vested in their account balances transferred from
the United Plan to the Plan. 
 Q.1.3. Transfer of United Plan Transferee Plan Accounts 

Effective as of close of business on October 18        , 2021, all participant loans held in
the accounts of the United Plan Transferees under the United Plan will be transferred to the Plan. Effective as of the close of business on October 19         , 2021, the remaining assets held in the
accounts of the United Plan Transferees under the United Plan will be transferred to the equivalent Accounts under the Plan in accordance with the table set forth in Schedule Q1. Such Accounts under the Plan shall be credited with such person’s
account balance in the corresponding account accumulated under the United Plan immediately before the effective date of the Transfer Agreement as such accounts had been and will be adjusted from time to time to reflect investment results. 

Q.1.4. Investment of United Plan Transferee Plan Accounts 

The assets of the United Trust relating to the United Plan Transferee account balances including the United Plan Transferee’s outstanding
participant loans shall be transferred to the Trust as provided in Q.1.3 (the “United Plan Asset Transfer”). As a result of the United Plan Asset Transfer, the assets from the United Trust shall be transferred to and invested in the Trust
in accordance with such reasonable arrangements for transition and investment and reinvestment as may be made between or among the Bank, Fidelity and, if applicable, any third party administrator of the United Plan and the Trustee of the United
Trust. Such arrangements may include a freeze on all activity with respect to each United Plan Transferee Account (including, but not limited to, loan disbursements, withdrawals, distributions and investment fund transfers) for a specified period
during which the transfer of the United Plan Transferee Accounts information to Fidelity and reconciliation of such information by Fidelity is completed (the “United Conversion Period”). During the United Conversion Period the accumulated
balance credited to each United Plan Transferee account shall be transferred to the appropriate Qualified Default Alternative Investment under Addendum I, Part B subsection (i). Following the United Conversion Period, the accumulated balance
credited to each United Plan Transferee account shall remain invested as provided in the preceding sentence until the individual entitled to exercise control over the investment of such account has made a new election in accordance with the terms of
Section 7.2 of the Plan. Any loan repayments made on or after November 12        , 2021, and prior to the close of the United Conversion Period with respect to loans outstanding under the
United Plan Transferee accounts will be invested in The Putnam Stable Value Fund (Zero Revenue Share) under the Plan. After the close of the United Conversion Period, such loan repayments will be invested according to the Account Director’s
investment election in effect at that time. 

  
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 SCHEDULE Q1 

United Plan Transferee Accounts Transfer 
  

			
	 The United Plan Transferee Account Balance in the:
	  	 Will be Transferred to the Following

Account Under the Plan:

	Elective (Pre-Tax) Contributions Account	  	Pre-Tax Elective Deferral Account
	Roth Elective Contributions Account	  	Roth Elective Deferral Account
	Employer Matching Contributions1	  	Prior Employer Match Contribution Account (100% Vested)
	Employer Discretionary Contributions (ESOP)1	  	
	Employer Discretionary Contributions (cash)1	  	Employer Discretionary
	Common Stock Account1	  	
	Rollover Account	  	Rollover Account

  

	1 	 Contribution separately accounted for under the Participant’s Account (Section 1.47)

  
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