Expense Limitation Agreement

This Expense Limitation Agreement (the “Agreement”) is made and entered into this 27^th day of January, 2022 between Lord, Abbett & Co. LLC (“Lord Abbett”) and Lord Abbett Securities Trust (the “Trust”) with respect to Lord Abbett Global Equity Fund (the “Fund”).

In consideration of good and valuable consideration, receipt of which is hereby acknowledged, it is agreed as follows:

1. Lord Abbett agrees for the time period set forth in paragraph 3 below to waive all or a portion of its management and administrative services fees and reimburse the Fund’s other expenses to the extent necessary to limit total net annual operating expenses, excluding 12b-1 fees, acquired fund fees and expenses, interest-related expenses, taxes, expenses related to litigation and potential litigation, and extraordinary expenses, to an annual rate of 0.65% for each class other than Class F3 and R6. For the same period, Lord Abbett agrees to waive all or a portion of its management and administrative services fees and reimburse the Fund’s other expenses to the extent necessary to limit total net annual operating expenses, excluding acquired fund fees and expenses, interest-related expenses, taxes, expenses related to litigation and potential litigation, and extraordinary expenses, to an annual rate of 0.58% for Class F3 and R6.

2. To limit the Fund’s total net annual operating expenses as specified above, Lord Abbett will waive the same amount of management and administrative services fees for each share class, but may reimburse different amounts of shareholder servicing expenses for each share class in its sole discretion.

3. This Agreement will be effective from March 1, 2022 through February 29, 2024. This Agreement may be terminated only by the Board of Trustees of the Trust upon written notice to Lord Abbett.

[Signatures follow on next page]

IN WITNESS WHEREOF, Lord Abbett and the Trust have caused this Agreement to be executed by a duly authorized member and officer, respectively, as of the day and year first above written.

LORD ABBETT SECURITIES TRUST

By: /s/Pamela P. Chen

       Pamela P. Chen

       Vice President and Assistant Secretary

LORD, ABBETT & CO. LLC

By: /s/Lawrence B. Stoller

      Lawrence B. Stoller  

      Member and General Counsel