EX-99.23(g)(26)
                                  AMENDMENT TO
                              AMENDED AND RESTATED
                             MUTUAL FUND CUSTODY AND
                               SERVICES AGREEMENT
     This  AMENDMENT  dated the 29th day of  December  2008,  to the Amended and
Restated Mutual Fund Custody and Service  Agreement  effective as of May 1, 2001
("Agreement")  by and between JNL Series  Trust and JNL  Investors  Series Trust
(each  individually  "Trust")  and The Bank of New  York  Mellon  (successor  by
operation of law to Mellon Trust of New England, N.A.) ("Custodian").
     WHEREAS, the Trust and the Custodian have entered into the Agreement.
     WHEREAS,  the parties  wish to amend the  Agreement in order to reflect the
addition of the following six new JNL Investors  Series Trust funds:  1) ▇▇▇▇▇▇▇
Perspective  European 30 Fund 2) ▇▇▇▇▇▇▇  Perspective  Global  Basics  Fund;  3)
▇▇▇▇▇▇▇  Perspective Global Leaders Fund; 4) ▇▇▇▇▇▇▇  Perspective Pacific Rim 30
Fund; 5) ▇▇▇▇▇▇▇ Perspective Pan European Fund; and 6) ▇▇▇▇▇▇▇ Perspective Total
Return Fund.
     WHEREAS, in order to effectuate the above changes and additions, Appendix F
to the Agreement must be amended.
     NOW, THEREFORE, the parties hereto agree to amend the Agreement as follows:
1.   To delete  Appendix F of the  Agreement  and  substitute it with Appendix F
     attached hereto.
2.   Except as specifically  amended hereby,  the Agreement shall remain in full
     force and effect in accordance with its terms.
3.   The Trust and the Custodian  hereby each represent and warrant to the other
     that it has full  authority to enter into this Amendment upon the terms and
     conditions  hereof and that the individual  executing this Amendment on its
     behalf has the  requisite  authority to bind the Trust or Custodian to this
     Amendment.
     IN WITNESS  WHEREOF,  the parties hereto have executed this Amendment as of
the date set forth above.
JNL SERIES TRUST                           THE BANK OF NEW YORK MELLON
JNL INVESTORS SERIES TRUST
By: __________________________________     By: _________________________________
Name:    ▇▇▇▇ ▇. ▇▇▇▇▇                     Name:    ____________________________
Title:   President                         Title:   ____________________________
                                   APPENDIX F
                                  LIST OF FUNDS
                            (as of December 29, 2008)
  ----------------------------------------------------------------------------
  ----------------------------------------------------------------------------
                             JNL SERIES TRUST FUNDS
  ----------------------------------------------------------------------------
  ----------------------------------------------------------------------------
                        JNL/AIM International Growth Fund
  ----------------------------------------------------------------------------
                          JNL/AIM Large Cap Growth Fund
  ----------------------------------------------------------------------------
                         JNL/AIM Global Real Estate Fund
  ----------------------------------------------------------------------------
                          JNL/AIM Small Cap Growth Fund
  ----------------------------------------------------------------------------
                JNL/Capital Guardian International Small Cap Fund
  ----------------------------------------------------------------------------
                  JNL/Capital Guardian U.S. Growth Equity Fund
  ----------------------------------------------------------------------------
              JNL/Capital Guardian Global Diversified Research Fund
  ----------------------------------------------------------------------------
                    JNL/Capital Guardian Global Balanced Fund
  ----------------------------------------------------------------------------
                 JNL/Credit Suisse Global Natural Resources Fund
  ----------------------------------------------------------------------------
                        JNL/Credit Suisse Long/Short Fund
  ----------------------------------------------------------------------------
                           JNL/Eagle Core Equity Fund
  ----------------------------------------------------------------------------
                         JNL/Eagle SmallCap Equity Fund
  ----------------------------------------------------------------------------
                    JNL/Franklin ▇▇▇▇▇▇▇▇▇ Global Growth Fund
  ----------------------------------------------------------------------------
                       JNL/Franklin ▇▇▇▇▇▇▇▇▇ Income Fund
  ----------------------------------------------------------------------------
                    JNL/Franklin ▇▇▇▇▇▇▇▇▇ Mutual Shares Fund
  ----------------------------------------------------------------------------
                   JNL/Franklin ▇▇▇▇▇▇▇▇▇ Small Cap Value Fund
  ----------------------------------------------------------------------------
                      JNL/▇▇▇▇▇▇▇ Sachs Core Plus Bond Fund
  ----------------------------------------------------------------------------
                  JNL/▇▇▇▇▇▇▇ ▇▇▇▇▇ Emerging Markets Debt Fund
  ----------------------------------------------------------------------------
                      JNL/▇▇▇▇▇▇▇ Sachs Mid Cap Value Fund
  ----------------------------------------------------------------------------
                   JNL/▇▇▇▇▇▇▇ ▇▇▇▇▇ Short Duration Bond Fund
  ----------------------------------------------------------------------------
                      JNL/JPMorgan International Value Fund
  ----------------------------------------------------------------------------
                         JNL/JPMorgan MidCap Growth Fund
  ----------------------------------------------------------------------------
                JNL/JPMorgan U.S. Government & Quality Bond Fund
  ----------------------------------------------------------------------------
                        JNL/Lazard Emerging Markets Fund
  ----------------------------------------------------------------------------
                         JNL/Lazard Mid Cap Equity Fund
  ----------------------------------------------------------------------------
                        JNL/Lazard Small Cap Equity Fund
  ----------------------------------------------------------------------------
                           JNL/M&G Global Basics Fund
  ----------------------------------------------------------------------------
                           JNL/M&G Global Leaders Fund
  ----------------------------------------------------------------------------
                  JNL/Mellon Capital Management Bond Index Fund
  ----------------------------------------------------------------------------
         JNL/Mellon Capital Management Enhanced S&P 500 Stock Index Fund
  ----------------------------------------------------------------------------
                 JNL/Mellon Capital Management European 30 Fund
  ----------------------------------------------------------------------------
             JNL/Mellon Capital Management International Index Fund
  ----------------------------------------------------------------------------
                JNL/Mellon Capital Management Pacific Rim 30 Fund
  ----------------------------------------------------------------------------
               JNL/Mellon Capital Management Small Cap Index Fund
  ----------------------------------------------------------------------------
                JNL/Mellon Capital Management S&P 500 Index Fund
  ----------------------------------------------------------------------------
             JNL/Mellon Capital Management S&P 400 MidCap Index Fund
  ----------------------------------------------------------------------------
                       JNL/▇▇▇▇▇▇▇▇▇▇▇ Global Growth Fund
  ----------------------------------------------------------------------------
                           JNL/▇▇▇ Asia ex-Japan Fund
  ----------------------------------------------------------------------------
                            JNL/▇▇▇ China-India Fund
  ----------------------------------------------------------------------------
                           JNL/PIMCO Real Return Fund
  ----------------------------------------------------------------------------
                        JNL/PIMCO Total Return Bond Fund
  ----------------------------------------------------------------------------
                        JNL/PPM America Core Equity 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 Value Equity Fund
  ----------------------------------------------------------------------------
                    JNL/Red Rocks Listed Private Equity Fund
  ----------------------------------------------------------------------------
                            JNL/Select Balanced Fund
  ----------------------------------------------------------------------------
                          JNL/Select Money Market Fund
  ----------------------------------------------------------------------------
                              JNL/Select Value Fund
  ----------------------------------------------------------------------------
                    JNL/▇. ▇▇▇▇ Price Established Growth Fund
  ----------------------------------------------------------------------------
                      JNL/▇. ▇▇▇▇ Price Mid-Cap Growth Fund
  ----------------------------------------------------------------------------
                          JNL/▇. ▇▇▇▇ Price Value Fund
  ----------------------------------------------------------------------------
                    JNL/S&P Moderate Retirement Strategy Fund
  ----------------------------------------------------------------------------
                JNL/S&P Moderate Growth Retirement Strategy Fund
  ----------------------------------------------------------------------------
                     JNL/S&P Growth Retirement Strategy Fund
  ----------------------------------------------------------------------------
                       JNL/S&P Competitive Advantage Fund
  ----------------------------------------------------------------------------
                      JNL/S&P Dividend Income & Growth Fund
  ----------------------------------------------------------------------------
                          JNL/S&P Intrinsic Value Fund
  ----------------------------------------------------------------------------
                            JNL/S&P Total Yield Fund
  ----------------------------------------------------------------------------
  ----------------------------------------------------------------------------
  ----------------------------------------------------------------------------
                        JNL INVESTORS SERIES TRUST FUNDS
  ----------------------------------------------------------------------------
  ----------------------------------------------------------------------------
                     ▇▇▇▇▇▇▇ Perspective Asia ex-Japan Fund
  ----------------------------------------------------------------------------
               ▇▇▇▇▇▇▇ Perspective Asia Pacific ex-Japan Bond Fund
  ----------------------------------------------------------------------------
              ▇▇▇▇▇▇▇ Perspective Asia ex-Japan Infrastructure Fund
  ----------------------------------------------------------------------------
               ▇▇▇▇▇▇▇ Perspective Asian Pacific Real Estate Fund
  ----------------------------------------------------------------------------
                      ▇▇▇▇▇▇▇ Perspective China-India Fund
  ----------------------------------------------------------------------------
                      ▇▇▇▇▇▇▇ Perspective Core Equity Fund
  ----------------------------------------------------------------------------
                 ▇▇▇▇▇▇▇ Perspective Emerging Asia ex-Japan Fund
  ----------------------------------------------------------------------------
                      ▇▇▇▇▇▇▇ Perspective European 30 Fund
  ----------------------------------------------------------------------------
                           ▇▇▇▇▇▇▇ Perspective 5 Fund
  ----------------------------------------------------------------------------
                     ▇▇▇▇▇▇▇ Perspective Global Basics Fund
  ----------------------------------------------------------------------------
                     ▇▇▇▇▇▇▇ Perspective Global Leaders Fund
  ----------------------------------------------------------------------------
                        ▇▇▇▇▇▇▇ Perspective Index 5 Fund
  ----------------------------------------------------------------------------
                         ▇▇▇▇▇▇▇ Perspective Japan Fund
  ----------------------------------------------------------------------------
                    ▇▇▇▇▇▇▇ Perspective Large Cap Value Fund
  ----------------------------------------------------------------------------
                     ▇▇▇▇▇▇▇ Perspective Mid Cap Value Fund
  ----------------------------------------------------------------------------
                      ▇▇▇▇▇▇▇ Perspective Money Market Fund
  ----------------------------------------------------------------------------
                      ▇▇▇▇▇▇▇ Perspective Optimized 5 Fund
  ----------------------------------------------------------------------------
                     ▇▇▇▇▇▇▇ Perspective Pacific Rim 30 Fund
  ----------------------------------------------------------------------------
                      ▇▇▇▇▇▇▇ Perspective Pan European Fund
  ----------------------------------------------------------------------------
                         ▇▇▇▇▇▇▇ Perspective S&P 4 Fund
  ----------------------------------------------------------------------------
                    ▇▇▇▇▇▇▇ Perspective Small Cap Value Fund
  ----------------------------------------------------------------------------
                      ▇▇▇▇▇▇▇ Perspective Total Return Fund
  ----------------------------------------------------------------------------
                          ▇▇▇▇▇▇▇ Perspective VIP Fund
  ----------------------------------------------------------------------------
                              JNL Money Market Fund
  ----------------------------------------------------------------------------