Addendum to Management Agreement between Lord Abbett Research Fund, Inc. and Lord, Abbett & Co. LLC Dated June 10, 1992

Ex-99.28(d)(vi)

Addendum to Management Agreement
between Lord Xxxxxx Research Fund, Inc. and
Lord, Xxxxxx & Co. LLC
Dated June 10, 1992

          Effective April 1, 2012, Lord, Xxxxxx & Co. LLC and Lord Xxxxxx Research Fund, Inc. on behalf of its series, Lord Xxxxxx Growth Opportunities Fund (the “Fund”), do hereby agree that the annual management fee rate for the Fund with respect to paragraph 2 of the management agreement dated June 10, 1992 (“Management Agreement”), shall be as follows:

.75 of 1% of the first $1 billion of average daily net assets;

.70 of 1% of the next $1 billion; and

.65 of 1% of the next $1 billion; and

.60 of 1% of assets over $3 billion.

          For purposes of Section 15 (a) of the Act, this Addendum and the Management Agreement shall together constitute the investment advisory contract of the Fund.

	LORD XXXXXX RESEARCH FUND, INC.
	BY:	/s/ Xxxxxx X. Xxxxxxxx
		Xxxxxx X. Xxxxxxxx
		Vice President and Assistant Secretary
	LORD, XXXXXX & CO. LLC
	BY:	/s/ Xxxxxxxx X. Xxxxxx
		Xxxxxxxx X. Xxxxxx
		Member and General Counsel
Dated: April 1, 2012