AMENDMENT
                                       TO
                       INVESTMENT SUB-ADVISORY AGREEMENT
                                    BETWEEN
                     JACKSON NATIONAL ASSET MANAGEMENT, LLC
                                      AND
                          EAGLE ASSET MANAGEMENT, INC.

      This  AMENDMENT  is made by and between JACKSON NATIONAL ASSET MANAGEMENT,
LLC,  a  Michigan  limited  liability  company and registered investment adviser
("Adviser"),  and  EAGLE  ASSET  MANAGEMENT,  INC.,  a  Florida  corporation and
registered investment adviser ("Sub-Adviser").

      WHEREAS,  the  Adviser  and  the  Sub-Adviser  entered  into an Investment
Sub-Advisory  Agreement  dated  as  of  January  31, 2001 ("Agreement"), whereby
Adviser   appointed  Sub-Adviser  to  provide  certain  sub-investment  advisory
services to a investment portfolio of the JNL Series Trust; and

      WHEREAS,  the  Adviser  has  replaced  Eagle  Asset  Management,  Inc.  as
Sub-Adviser to the JNL/Eagle Core Equity Fund ("Fund"); and

      WHEREAS,  in order to reflect the above-referenced replacement, Schedule A
and Schedule B must be amended to remove the Fund from the Agreement.

      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 April 30, 2012, attached hereto.

      2.    Schedule  B  to  the Agreement is hereby deleted and replaced in its
            entirety with Schedule B dated April 30, 2012, attached hereto.

      IN  WITNESS  WHEREOF,  the  Adviser  and  the Sub-Adviser have caused this
Amendment  to  be  executed  as  of November 23, 2011, effective as of April 30,
2012.

JACKSON NATIONAL ASSET MANAGEMENT, LLC      EAGLE ASSET MANAGEMENT, INC.

By:    /s/ Mark D. Nerud                    By:    /s/ Richard J. Rossi
      --------------------------------            ----------------------------
Name:  Mark D. Nerud                        Name:  Richard J. Rossi
Title: President and CEO                    Title: President



                                   SCHEDULE A
                              DATED APRIL 30, 2012
                                    (Funds)

              ----------------------------------------------------
                         JNL/EAGLE SMALLCAP EQUITY FUND
              ----------------------------------------------------

                                      A-1



                                  SCHEDULE B
                             DATED APRIL 30, 2012
                                (Compensation)

              ----------------------------------------------------
                         JNL/EAGLE SMALLCAP EQUITY FUND
              ----------------------------------------------------

              Average Daily Net Assets               Annual Rate
              ----------------------------------------------------

              $0 to $100 Million                         .45%
              ----------------------------------------------------

              Amounts over $100 Million                  .40%
              ----------------------------------------------------

                                      B-1