Document:

Filed by Bowne Pure Compliance

 

Exhibit 10.16

THIRTEENTH AMENDMENT TO THE

DYNEGY INC. 401(k) SAVINGS PLAN

WHEREAS,
Dynegy Inc., a Delaware corporation (“Dynegy”), maintains
the Dynegy Inc. 401(k)
Savings Plan (the “Plan”) for the benefit of the eligible employees of certain participating
companies;

WHEREAS,
Dynegy also maintains the Extant, Inc. 40l(k) Plan (the “Extant
Plan”) for the
benefit of certain other of its eligible employees;

WHEREAS, Dynegy and its delegates are authorized and empowered to amend the Plan pursuant
to Section 16.1 of the Plan;

WHEREAS, Dynegy and its delegates are authorized and empowered to amend the
Extant Plan pursuant to Section 14.1 of the Extant Plan, and to merge the Extant
Plan in accordance with Section 15.3 of the Extant Plan; and

WHEREAS, Dynegy now desires to effect a merger of the Extant Plan into the Plan,
effective as of April 1, 2008 with the Plan surviving and containing the operative provisions
of the Extant Plan and applying the administrative provisions of the
Plan.

NOW, THEREFORE, BE IT RESOLVED that, the Plan is hereby amended, effective as of April 1,
2008, by adding the attached Supplement A to the Plan, in accordance with applicable law, the
terms of the Plan and any rules or procedures adopted by Dynegy and its delegates.

*
 *  * 

IN WITNESS WHEREOF, the undersigned has caused this Thirteenth Amendment to the Plan to
be executed on the date indicated below, to be effective as provided above.

	 	 	 	 	 	 	 
	 	 	 DYNEGY INC., 	 	 
	 	 	 a Delaware corporation 	 	 
	 
	 	 	 	 	 	 
	 

	 	 By:
	 	 /s/ Julius Cox
 

	 	 
	 

	 	 Title:
	 	 Chairman of the BPC 	 	 
	 

	 	 Date:
	 	 March 31, 2008 	 	 

 

 

 

“SUPPLEMENT A

Provisions Relating to the Merger of the Extant, Inc. 401(k) Plan

A-1.
Merger of Plans. Effective as of April 1, 2008 (the “Merger Date”), the Extant, Inc.
401(k) Plan (the “Extant Plan”) shall be merged into and with the Plan and shall be continued in
the form of the Plan on and after that date. The merger of the Extant Plan into the Plan and the
resulting transfer of assets described in paragraph A-4 of this Supplement A shall be made in
accordance with Code Sections 401(a)(12) and 414(1) and the regulations thereunder.

A-2. Participation. Participants in the Extant Plan on the Merger Date shall be treated
as a Member (“Extant Member”) in the Plan on the Merger Date with respect to the assets transferred
to the Plan. The provisions of this Supplement A shall apply solely with respect to the accounts
of Extant Members that are transferred to this Plan.

A-3. Contributions. There shall be no contributions to the Plan under this Supplement A.

A-4.
Combination of Assets. The applicable assets of the Extant Plan and corresponding
liabilities shall be combined with and transferred to the trust that funds the Plan in accordance
with Code Sections 401(a)(12) and 414(1) and regulations thereunder. Notwithstanding any provision
in this Plan to the contrary, each Member shall be entitled to receive a benefit immediately after
the merger which is equal to or greater than the benefit the Member would have been entitled to
receive immediately before the merger (if both plans had then terminated).

A-5. Transfer of Account Balances. The After-Tax Accounts, the Before-Tax Accounts, the
Rollover Accounts and the Employer Contribution Accounts (the “Account Balances”) maintained under
the Extant Plan on behalf of Extant Members immediately prior to the Merger Date shall be adjusted
as of that date in accordance with the provisions of the Extant Plan. The Account Balances as so
adjusted shall be transferred to the Plan and credited on the Merger Date to the appropriate
accounts established for Extant Members under the Plan (the
“Transferred Accounts”). Each Extant
Member’s Transferred Accounts shall be subject to the provisions of the Plan and shall be treated
in a manner that complies with Code Section 411(d)(6) and the regulations thereunder.

A-6. Investment of Transferred Accounts. After the Merger Date, an Extant Member may
direct the investment of his Transferred Accounts among the available investment funds in the Plan
in accordance with the provisions of Article 5 of the Plan. If an Extant Member fails to direct the
investment of his transferred assets, then such portions of his Transferred Accounts shall be
invested in the Investment Fund or Funds designated by the Committee from time to time in a uniform
and nondiscriminatory manner.

A-7. Vesting. An Extant Member shall be fully vested at all times in his Transferred
Account.

 

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A-8.
Distributions, Withdrawals and Loans. Subject to the provisions of the
Plan, benefits payable under the Extant Plan on or after the Merger Date, to or on account of any
Extant Member who was receiving benefits prior to that date, will be paid under the Plan in the
same manner as if the Extant Plan had continued in effect without change. Upon the retirement date
or other termination of employment of any other Extant Member, the benefits, if any, payable to
such Extant Member shall be distributed in accordance with the
provisions of the Plan. An Extant
Member may request a loan or an in-service withdrawal from his Transferred Accounts subject to the
terms and conditions set forth in the Plan. The Extant Member’s After-Tax Account is subject to the
terms and conditions set forth in the Plan that apply to After-Tax Accounts. The Extant Member’s
Before-Tax Account is subject to the terms and conditions set forth in the Plan that apply to
Before-Tax Accounts. The Extant Member’s Rollover Account is subject to the terms and conditions
set forth in the Plan that apply to Rollover Accounts. The Extant Member’s Employer Contribution
Account is subject to the terms and conditions set forth in the Plan that apply to Employer
Contribution Accounts.

A-9. Use of Terms. Terms Used in this Supplement A with respect to the Extant Plan and
terms used in this Supplement A with respect to the Plan shall, unless defined in this Supplement
A, have the meanings of those terms as defined in the Extant Plan or the Plan, as applicable.”

 

3Filed by Bowne Pure Compliance

 

Exhibit 10.17

FOURTEENTH AMENDMENT TO THE

DYNEGY INC. 401(k) SAVINGS PLAN

WHEREAS, Dynegy Inc., a Delaware corporation (“Dynegy”), maintains the Dynegy Inc.
401(k) Savings Plan (the “Plan”) for the benefit of the eligible employees of certain
participating companies;

WHEREAS, Dynegy and its delegates are authorized and empowered to amend the Plan
pursuant to Section 16.1 of the Plan; and

WHEREAS, Dynegy desires to amend the Plan to recognize the prior service credit of
certain hired employees.

NOW, THEREFORE, BE IT RESOLVED that the Plan shall be, and hereby is, amended as
follows, effective as provided below:

I.

Effective March 17, 2008, Section 1.1(55) of the Plan is hereby amended by adding the
following sentence to the end of the first paragraph thereof:

“Further provided, each individual who was employed by Accenture LLP
on March 1, 2008 and who subsequently becomes employed by an
Employer during the period of time beginning on March 17,
2008 and ending on April 30, 2008, shall be credited with Service
based upon his original date of hire with Accenture LLP.”

II.

Except as modified herein, the Plan shall remain in full force and effect.

IN WITNESS
WHEREOF, the undersigned has caused this Fourteenth Amendment to the Plan to be executed on
the date indicated below, to be effective as provided above.

	 	 	 	 	 	 	 
	 	 	DYNEGY INC.,	 	 
	 	 	a Delaware corporation	 	 
	 
	 	 	 	 	 	 
	 

	 	By:

	 	/s/ Julius Cox
 

	 	 
	 

	 	Title:
	 	
Chairman of the BPC
	 	 
	 

	 	Date:
	 	March 31, 2008Filed by Bowne Pure Compliance

 

Exhibit 10.18

FIFTEENTH AMENDMENT TO THE

DYNEGY INC. 401(k) SAVINGS PLAN

WHEREAS, Dynegy Inc., a Delaware corporation (“Dynegy”), maintains the Dynegy Inc.
401(k) Savings Plan (the “Plan”) for the benefit of the eligible employees of certain
participating companies;

WHEREAS, the Dynegy Inc. Benefit Plans Committee has designated Dynegy Northeast Generation,
Inc. as an. “Employer” under the Plan solely for the provision of benefits as described below;
and

WHEREAS, Dynegy and its delegates are authorized and empowered to amend the Plan pursuant to
Section 16.1 of the Plan.

NOW, THEREFORE, BE IT RESOLVED that the Plan shall be, and hereby is, amended as follows,
effective April 3, 2008:

I.

Section 1.1(27) of the Plan is hereby amended by adding the following sentence to the end
thereof:

“In addition, notwithstanding any provision of the Plan to the contrary, no
individual employed by Dynegy Northeast Generation, Inc., other than an
individual who is hired by Dynegy Northeast Generation, Inc. on or after
April 3, 2008 and who is covered by that certain Memorandum of Agreement
between Dynegy Northeast Generation, Inc. and Local Union 320 of the
International Brotherhood of Electrical Workers, dated March 26, 2008 as
ratified on April 3, 2008, shall be an ‘Eligible Employee’.”

II.

Section 1.1(32) of the Plan is hereby amended by adding the following sentence to the end
thereof:

“Dynegy Northeast Generation, Inc. shall be an ‘Employer’ solely for the purpose of
providing benefits under the Plan to Eligible Employees who are hired by Dynegy
Northeast Generation, Inc. on or after April 3, 2008 and who are covered by that
certain Memorandum of Agreement between Dynegy Northeast Generation, Inc. and Local
Union 320 of the International Brotherhood of Electrica Workers, dated March 26,
2008, as ratified on April 3, 2008.”

 

 

 

III.

Except as modified herein, the Plan shall remain in full force and effect.

IN WITNESS WHEREOF, the undersigned has caused this Fifteenth Amendment to the Plan to be
executed on the date indicated below, to be effective as provided above.

	 	 	 	 	 	 	 
	 	 	DYNEGY INC.,

a Delaware corporation	 	 
	 
	 	 	 	 	 	 
	 

	 	By:
	 	/s/ Julius Cox
 

Julius Cox, Chairman of the Dynegy Inc.
	 	 
	 

	 	 	 	Benefits Plan Committee	 	 
	 

	 	 	 	Date: April 28, 2008	 	 

 

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