Exhibit 99.(d)(xv)

Addendum to Management Agreement

between Lord Abbett Securities Trust and

Lord, Abbett & Co. LLC

Dated January 18, 2019

Lord, Abbett & Co. LLC and Lord Abbett Securities Trust on behalf of its series, Lord Abbett Focused Growth (the “Fund”), do hereby agree that, effective as of the Fund’s commencement of operations, the annual management fee rate for the Fund with respect to paragraph 2 of the Management Agreement dated May 19, 1993 (the “Agreement”) shall be as follows:

0.65% on the first $1 billion of average daily net assets; and

0.63% on the next $1 billion of average daily net assets; and

0.60% on the next $5 billion of average daily net assets; and

0.59% on the Fund’s average daily net assets over $7 billion.

For purposes of Section 15 (a) of the Investment Company Act of 1940, as amended, this Addendum and the Agreement shall together constitute the investment advisory contract of the Fund.

Lord Abbett Securities Trust
By:	/s/ John T. Fitzgerald
	John T. Fitzgerald
	Vice President and Assistant Secretary
Lord, Abbett & Co. LLC
By:	/s/ Lawrence B. Stoller
	Lawrence B. Stoller
	Member and General Counsel