EX 99.28(h)(1)(xviii)

Amendment to

Amended and Restated Administration Agreement

Between JNL Series Trust and

Jackson National Asset Management, LLC

This Amendment is made by and between Jackson National Asset Management, LLC, a Michigan limited liability company (the “Administrator”), and JNL Series Trust, a Massachusetts business trust (the “Trust”).

Whereas, the Trust and the Administrator (the “Parties”) entered into an Amended and Restated Administration Agreement effective as of July 1, 2013, as amended (the “Agreement”), whereby the Administrator agreed to provide certain administrative services to several separate series of shares (each a “Fund”) of the Trust, as listed on Schedule A of the Agreement.

Whereas, the Board of Trustees of the Trust has approved the following changes (collectively, the “Changes”), effective September 25, 2017:

1) Renaming all Class B share references to Class I shares.

2) Fund name changes for the following eight funds:

JNL Disciplined Moderate Fund to the JNL Moderate Growth Allocation Fund;

JNL Disciplined Moderate Growth Fund to the JNL Growth Allocation Fund;

JNL Disciplined Growth Fund to the JNL Aggressive Growth Allocation Fund;

JNL Institutional Alt 20 Fund to the JNL Institutional Alt 25 Fund;

JNL/American Funds Balanced Allocation Fund to the JNL/American Funds Moderate Growth Allocation Fund;

JNL/BlackRock Natural Resources Fund to the JNL/BlackRock Global Natural Resources Fund;

JNL/DFA Moderate Allocation Fund to the JNL/DFA Moderate Growth Allocation Fund; and

JNL/PIMCO Total Return Bond Fund to the JNL/DoubleLine^® Core Fixed Income Fund.

3) The addition of the following twenty-one new funds:

JNL/ClearBridge Large Cap Growth Fund;

JNL/GQG Emerging Markets Equity Fund;

JNL/Invesco Diversified Dividend Fund;

JNL S&P 500 Index Fund;

JNL/Mellon Capital S&P 1500 Growth Index Fund;

JNL/Mellon Capital S&P 1500 Value Index Fund;

JNL/Mellon Capital Consumer Staples Sector Fund;

JNL/Mellon Capital Industrials Sector Fund;

JNL/Mellon Capital Materials Sector Fund;

JNL/Mellon Capital Real Estate Sector Fund;

JNL/PIMCO Income Fund;

JNL/Vanguard Capital Growth Fund;

JNL/Vanguard Equity Income Fund;

JNL/Vanguard Global Bond Market Index Fund;

JNL/Vanguard Growth Allocation Fund;

JNL/Vanguard International Fund;

JNL/Vanguard International Stock Market Index Fund;

JNL/Vanguard Moderate Allocation Fund;

JNL/Vanguard Moderate Growth Allocation Fund;

JNL/Vanguard Small Company Growth Fund; and

JNL/Vanguard U.S. Stock Market Index Fund.

4) Fund mergers for the following three funds:

JNL Alt 65 Fund into the JNL Institutional Alt 50 Fund;

JNL Institutional Alt 35 Fund into the JNL Institutional Alt 20 Fund; and

JNL/Red Rocks Listed Private Equity Fund into the JNL/Harris Oakmark Global Equity Fund.

5) Administration fee Changes for the JNL/Westchester Capital Event Driven Fund.

Whereas, pursuant to approval of the Changes, as outlined above, the Parties have agreed to amend the Agreement, effective September 25, 2017, to:

1) Rename the Class B share reference, in the heading of Schedule B, to Class I.

2) Add the twenty-one new funds to Schedule A and Schedule B and add administration fees for each new fund to Schedule B.

3) Update the eight fund names, in Schedule A and Schedule B, for the fund name changes outlined above.

4) Remove the following three funds, in Schedule A and Schedule B, and each fund’s respective administration fees from Schedule B:

JNL Alt 65 Fund;

JNL Institutional Alt 35 Fund; and

JNL/Red Rocks Listed Private Equity Fund.

5) Update the administration fees, for the JNL/Westchester Capital Event Driven Fund, in Schedule B.

Now Therefore, in consideration of the mutual covenants herein contained, the Parties hereby agree to amend the Agreement as follows:

1) Schedule A to the Agreement is hereby deleted and replaced in its entirety with Schedule A dated September 25, 2017, attached hereto.

2) Schedule B to the Agreement is hereby deleted and replaced in its entirety with Schedule B dated September 25, 2017, attached hereto.

3) Each of the Parties represents and warrants to the others that it has full authority to enter into this Amendment upon the terms and conditions hereof and that the individual executing this Amendment is duly authorized to bind the respective party to this Amendment.

4) This Amendment may be executed in one or more counterparts, which together shall constitute one document.

In Witness Whereof, the Administrator and the Trust have caused this Amendment to be executed, effective September 25, 2017.

JNL Series Trust		Jackson National Asset Management, LLC
By:	/s/ Kristen K. Leeman	By:	/s/ Mark D. Nerud
Name:	Kristen K. Leeman	Name:	Mark D. Nerud
Title:	Assistant Secretary	Title:	President and CEO

- 2 -

Schedule A

Dated September 25, 2017

(List of Funds)

Funds

JNL/American Funds Balanced Fund

JNL/American Funds Blue Chip Income and Growth Fund

JNL/American Funds Global Bond Fund

JNL/American Funds Global Small Capitalization Fund

JNL/American Funds Growth-Income Fund

JNL/American Funds International Fund

JNL/American Funds New World Fund

JNL Aggressive Growth Allocation Fund

JNL Growth Allocation Fund

JNL Moderate Growth Allocation Fund

JNL Institutional Alt 25 Fund

JNL Institutional Alt 50 Fund

JNL Multi-Manager Alternative Fund

JNL Multi-Manager Mid Cap Fund

JNL Multi-Manager Small Cap Growth Fund

JNL Multi-Manager Small Cap Value Fund

JNL/AB Dynamic Asset Allocation Fund

JNL/American Funds Growth Allocation Fund

JNL/American Funds Moderate Growth Allocation Fund

JNL/AQR Large Cap Relaxed Constraint Equity Fund

JNL/AQR Managed Futures Strategy Fund

JNL/BlackRock Global Allocation Fund

JNL/BlackRock Global Natural Resources Fund

JNL/BlackRock Large Cap Select Growth Fund

JNL/Boston Partners Global Long Short Equity Fund

A-1

Funds

JNL/Brookfield Global Infrastructure and MLP Fund

JNL/Causeway International Value Select Fund

JNL/ClearBridge Large Cap Growth Fund

JNL/Crescent High Income Fund

JNL/DFA Growth Allocation Fund

JNL/DFA Moderate Growth Allocation Fund

JNL/DFA U.S. Core Equity Fund

JNL/DoubleLine^® Core Fixed Income Fund

JNL/DoubleLine^® Emerging Markets Fixed Income Fund

JNL/DoubleLine^® Shiller Enhanced CAPE^® Fund

JNL/FPA + DoubleLine^® Flexible Allocation Fund

JNL/Franklin Templeton Founding Strategy Fund

JNL/Franklin Templeton Global Fund

JNL/Franklin Templeton Global Multisector Bond Fund

JNL/Franklin Templeton Income Fund

JNL/Franklin Templeton International Small Cap Growth Fund

JNL/Franklin Templeton Mutual Shares Fund

JNL/Goldman Sachs Core Plus Bond Fund

JNL/Goldman Sachs Emerging Markets Debt Fund

JNL/GQG Emerging Markets Equity Fund

JNL/Harris Oakmark Global Equity Fund

JNL/Invesco China-India Fund

JNL/Invesco Diversified Dividend Fund;

JNL/Invesco Global Real Estate Fund

JNL/Invesco International Growth Fund

JNL/Invesco Mid Cap Value Fund

JNL/Invesco Small Cap Growth Fund

A-2

Funds

JNL/JPMorgan MidCap Growth Fund

JNL/JPMorgan U.S. Government & Quality Bond Fund

JNL/Lazard Emerging Markets Fund

JNL/Mellon Capital 10 x 10 Fund

JNL/Mellon Capital Bond Index Fund

JNL/Mellon Capital Consumer Staples Sector Fund

JNL/Mellon Capital Emerging Markets Index Fund

JNL/Mellon Capital European 30 Fund

JNL/Mellon Capital Index 5 Fund

JNL/Mellon Capital Industrials Sector Fund

JNL/Mellon Capital International Index Fund

JNL/Mellon Capital Materials Sector Fund

JNL/Mellon Capital MSCI KLD 400 Social Index Fund

JNL/Mellon Capital Pacific Rim 30 Fund

JNL/Mellon Capital Real Estate Sector Fund

JNL/Mellon Capital S&P 400 MidCap Index Fund

JNL/Mellon Capital S&P 500 Index Fund

JNL S&P 500 Index Fund

JNL/Mellon Capital S&P 1500 Growth Index Fund

JNL/Mellon Capital S&P 1500 Value Index Fund

JNL/Mellon Capital Small Cap Index Fund

JNL/Mellon Capital Utilities Sector Fund

JNL/MFS Mid Cap Value Fund

JNL/MMRS Conservative Fund

JNL/MMRS Growth Fund

JNL/MMRS Moderate Fund

JNL/Neuberger Berman Strategic Income Fund

A-3

Funds

JNL/Oppenheimer Emerging Markets Innovator Fund

JNL/Oppenheimer Global Growth Fund

JNL/PIMCO Income Fund

JNL/PIMCO Real Return Fund

JNL/PPM America Floating Rate Income Fund

JNL/PPM America High Yield Bond Fund

JNL/PPM America Mid Cap Value Fund

JNL/PPM America Small Cap Value Fund

JNL/PPM America Total Return Fund

JNL/PPM America Value Equity Fund

JNL/Scout Unconstrained Bond Fund

JNL/T. Rowe Price Established Growth Fund

JNL/T. Rowe Price Mid-Cap Growth Fund

JNL/T. Rowe Price Short-Term Bond Fund

JNL/T. Rowe Price Value Fund

JNL/Westchester Capital Event Driven Fund

JNL/WMC Balanced Fund

JNL/WMC Government Money Market Fund

JNL/WMC Value Fund

JNL/S&P 4 Fund

JNL/S&P Competitive Advantage Fund

JNL/S&P Dividend Income & Growth Fund

JNL/S&P International 5 Fund

JNL/S&P Intrinsic Value Fund

JNL/S&P Managed Aggressive Growth Fund

JNL/S&P Managed Conservative Fund

JNL/S&P Managed Growth Fund

JNL/S&P Managed Moderate Fund

A-4

Funds

JNL/S&P Managed Moderate Growth Fund

JNL/S&P Mid 3 Fund

JNL/S&P Total Yield Fund

JNL/Vanguard Capital Growth Fund

JNL/Vanguard Equity Income Fund

JNL/Vanguard Global Bond Market Index Fund

JNL/Vanguard Growth Allocation Fund

JNL/Vanguard International Fund

JNL/Vanguard International Stock Market Index Fund

JNL/Vanguard Moderate Allocation Fund

JNL/Vanguard Moderate Growth Allocation Fund

JNL/Vanguard Small Company Growth Fund

JNL/Vanguard U.S. Stock Market Index Fund

A-5

Schedule B

Dated September 25, 2017

Class A Shares and Class I Shares

Funds	Assets	Fee
JNL/American Funds Balanced Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/American Funds Blue Chip Income and Growth Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/American Funds Global Bond Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/American Funds Global Small Capitalization Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/American Funds Growth-Income Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/American Funds International Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/American Funds New World Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL Aggressive Growth Allocation Fund	$0 to $3 billion Assets over $3 billion	.05% .045%
JNL Growth Allocation Fund	$0 to $3 billion Assets over $3 billion	.05% .045%
JNL Moderate Growth Allocation Fund	$0 to $3 billion Assets over $3 billion	.05% .045%
JNL Institutional Alt 25 Fund	$0 to $3 billion Assets over $3 billion	.05% .045%
JNL Institutional Alt 50 Fund	$0 to $3 billion Assets over $3 billion	.05% .045%
JNL Multi-Manager Alternative Fund	$0 to $3 billion Assets over $3 billion	.20% .18%
JNL Multi-Manager Mid Cap Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL Multi-Manager Small Cap Growth Fund	$0 to $3 billion Assets over $3 billion	.10% .09%
JNL Multi-Manager Small Cap Value Fund	$0 to $3 billion Assets over $3 billion	.10% .09%
JNL/AB Dynamic Asset Allocation Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/American Funds Growth Allocation Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/American Funds Moderate Growth Allocation Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/AQR Large Cap Relaxed Constraint Equity Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/AQR Managed Futures Strategy Fund	$0 to $3 billion Assets over $3 billion	.15% .13%

B-1

Funds   Assets   Fee

JNL/BlackRock Global Allocation Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/BlackRock Global Natural Resources Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/BlackRock Large Cap Select Growth Fund	$0 to $3 billion Assets over $3 billion	.10% .09%
JNL/Boston Partners Global Long Short Equity Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/Brookfield Global Infrastructure and MLP Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/Causeway International Value Select Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/ClearBridge Large Cap Growth Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/Crescent High Income Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/DFA Growth Allocation Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/DFA Moderate Growth Allocation Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/DFA U.S. Core Equity Fund	$0 to $3 billion Assets over $3 billion	.10% .09%
JNL/DoubleLine® Core Fixed Income Fund	$0 to $3 billion Assets over $3 billion	.10% .09%
JNL/DoubleLine® Emerging Markets Fixed Income Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/DoubleLine® Shiller Enhanced CAPE® Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/FPA + DoubleLine® Flexible Allocation Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/Franklin Templeton Founding Strategy Fund	$0 to $3 billion Assets over $3 billion	.05% .045%
JNL/Franklin Templeton Global Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/Franklin Templeton Global Multisector Bond Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/Franklin Templeton Income Fund	$0 to $3 billion Assets over $3 billion	.10% .09%
JNL/Franklin Templeton International Small Cap Growth Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/Franklin Templeton Mutual Shares Fund	$0 to $3 billion Assets over $3 billion	.10% .09%
JNL/Goldman Sachs Core Plus Bond Fund	$0 to $3 billion Assets over $3 billion	.10% .09%

B-2

Funds   Assets   Fee

JNL/Goldman Sachs Emerging Markets Debt Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/GQG Emerging Markets Equity Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/Harris Oakmark Global Equity Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/Invesco China-India Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/Invesco Diversified Dividend Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/Invesco Global Real Estate Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/Invesco International Growth Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/Invesco Mid Cap Value Fund	$0 to $3 billion Assets over $3 billion	.10% .09%
JNL/Invesco Small Cap Growth Fund	$0 to $3 billion Assets over $3 billion	.10% .09%
JNL/JPMorgan MidCap Growth Fund	$0 to $3 billion Assets over $3 billion	.10% .09%
JNL/JPMorgan U.S. Government & Quality Bond Fund	$0 to $3 billion Assets over $3 billion	.10% .09%
JNL/Lazard Emerging Markets Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/Mellon Capital 10 x 10 Fund	$0 to $3 billion Assets over $3 billion	.05% .045%
JNL/Mellon Capital Bond Index Fund	$0 to $3 billion Assets over $3 billion	.10% .09%
JNL/Mellon Capital Consumer Staples Sector Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/Mellon Capital Emerging Markets Index Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/Mellon Capital European 30 Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/Mellon Capital Index 5 Fund	$0 to $3 billion Assets over $3 billion	.05% .045%
JNL/Mellon Capital Industrials Sector Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/Mellon Capital International Index Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/Mellon Capital Materials Sector Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/Mellon Capital MSCI KLD 400 Social Index Fund	$0 to $3 billion Assets over $3 billion	.15% .13%

B-3

Funds   Assets   Fee

JNL/Mellon Capital Pacific Rim 30 Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/Mellon Capital Real Estate Sector Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/Mellon Capital S&P 400 MidCap Index Fund	$0 to $3 billion Assets over $3 billion	.10% .09%
JNL/Mellon Capital S&P 500 Index Fund	$0 to $3 billion Assets over $3 billion	.10% .09%
JNL S&P 500 Index Fund	$0 to $3 billion Assets over $3 billion	.10% .09%
JNL/Mellon Capital S&P 1500 Growth Index Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/Mellon Capital S&P 1500 Value Index Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/Mellon Capital Small Cap Index Fund	$0 to $3 billion Assets over $3 billion	.10% .09%
JNL/Mellon Capital Utilities Sector Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/MFS Mid Cap Value Fund	$0 to $3 billion Assets over $3 billion	.10% .09%
JNL/MMRS Conservative Fund	$0 to $3 billion Assets over $3 billion	.05% .045%
JNL/MMRS Growth Fund	$0 to $3 billion Assets over $3 billion	.05% .045%
JNL/MMRS Moderate Fund	$0 to $3 billion Assets over $3 billion	.05% .045%
JNL/Neuberger Berman Strategic Income Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/Oppenheimer Emerging Markets Innovator Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/Oppenheimer Global Growth Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/PIMCO Income Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/PIMCO Real Return Fund	$0 to $3 billion Assets over $3 billion	.10% .09%
JNL/PPM America Floating Rate Income Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/PPM America High Yield Bond Fund	$0 to $3 billion Assets over $3 billion	.10% .09%
JNL/PPM America Mid Cap Value Fund	$0 to $3 billion Assets over $3 billion	.10% .09%
JNL/PPM America Small Cap Value Fund	$0 to $3 billion Assets over $3 billion	.10% .09%

B-4

Funds   Assets   Fee

JNL/PPM America Total Return Fund	$0 to $3 billion Assets over $3 billion	.10% .09%
JNL/PPM America Value Equity Fund	$0 to $3 billion Assets over $3 billion	.10% .09%
JNL/Scout Unconstrained Bond Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/T. Rowe Price Established Growth Fund	$0 to $3 billion Assets over $3 billion	.10% .09%
JNL/T. Rowe Price Mid-Cap Growth Fund	$0 to $3 billion Assets over $3 billion	.10% .09%
JNL/T. Rowe Price Short-Term Bond Fund	$0 to $3 billion Assets over $3 billion	.10% .09%
JNL/T. Rowe Price Value Fund	$0 to $3 billion Assets over $3 billion	.10% .09%
JNL/Westchester Capital Event Driven Fund	$0 to $3 billion Assets over $3 billion	.10% .08%
JNL/WMC Balanced Fund	$0 to $3 billion Assets over $3 billion	.10% .09%
JNL/WMC Government Money Market Fund	$0 to $3 billion Assets over $3 billion	.10% .09%
JNL/WMC Value Fund	$0 to $3 billion Assets over $3 billion	.10% .09%
JNL/S&P 4 Fund	$0 to $3 billion Assets over $3 billion	.05% .045%
JNL/S&P Competitive Advantage Fund	$0 to $3 billion Assets over $3 billion	.10% .09%
JNL/S&P Dividend Income & Growth Fund	$0 to $3 billion Assets over $3 billion	.10% .09%
JNL/S&P International 5 Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/S&P Intrinsic Value Fund	$0 to $3 billion Assets over $3 billion	.10% .09%
JNL/S&P Managed Aggressive Growth Fund	$0 to $3 billion Assets over $3 billion	.05% .045%
JNL/S&P Managed Conservative Fund	$0 to $3 billion Assets over $3 billion	.05% .045%
JNL/S&P Managed Growth Fund	$0 to $3 billion Assets over $3 billion	.05% .045%
JNL/S&P Managed Moderate Fund	$0 to $3 billion Assets over $3 billion	.05% .045%
JNL/S&P Managed Moderate Growth Fund	$0 to $3 billion Assets over $3 billion	.05% .045%
JNL/S&P Mid 3 Fund	$0 to $3 billion Assets over $3 billion	.10% .09%

B-5

Funds   Assets   Fee

JNL/S&P Total Yield Fund	$0 to $3 billion Assets over $3 billion	.10% .09%
JNL/Vanguard Capital Growth Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/Vanguard Equity Income Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/Vanguard Global Bond Market Index Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/Vanguard Growth Allocation Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/Vanguard International Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/Vanguard International Stock Market Index Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/Vanguard Moderate Allocation Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/Vanguard Moderate Growth Allocation Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/Vanguard Small Company Growth Fund	$0 to $3 billion Assets over $3 billion	.15% .13%
JNL/Vanguard U.S. Stock Market Index Fund	$0 to $3 billion Assets over $3 billion	.10% .09%

B-6