Exhibit 99.S
POWER OF ATTORNEY
Each person whose signature appears below hereby constitutes and appoints Lawrence B. Stoller, Brooke A. Fapohunda, Matthew Press, and Victoria Zozulya each of them, with full power to act without the other, his or her true and lawful attorney-in-fact and agent, with full power of substitution and resubstitution, for him or her and in his or her name, place and stead, in any and all capacities (until revoked in writing) to sign (i) any and all Registration Statements of each Fund enumerated on Exhibit A hereto for which such person serves as a Director/Trustee (including Registration Statements on Forms N-1A, N-2, and N-14 and any amendments thereto), and to file the same, with all exhibits thereto, and other documents in connection therewith, and other filings with the Securities and Exchange Commission or any state regulatory agency or authority, as appropriate; and (ii) subject to the terms of each Fund’s governing instrument and applicable state laws, any amendment or supplement to the governing instrument of each Fund enumerated on Exhibit A hereto for which such person serves as a Director/Trustee, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing ratifying and confirming all that said attorneys-in-fact and agents or any of them, or their or his or her substitute or substitutes, may lawfully do or cause to be done by virtue hereof.
Pursuant to the requirements of the Securities Act of 1933, this instrument has been signed below by the following persons in the capacities indicated as of April 17, 2023.
| Signatures | Title |
| Chair and | |
| /s/James L.L. Tullis | Director/Trustee |
| James L.L. Tullis | |
| President, CEO and | |
| /s/Douglas B. Sieg | Director/Trustee |
| Douglas B. Sieg | |
| Vice Chair and | |
| /s/Evelyn E. Guernsey | Director/Trustee |
| Evelyn E. Guernsey | |
| /s/Julie A. Hill | Director/Trustee |
| Julie A. Hill | |
| /s/Kathleen M. Lutito | Director/Trustee |
| Kathleen M. Lutito | |
| /s/James M. McTaggart | Director/Trustee |
| James M. McTaggart | |
| /s/Charles O. Prince | Director/Trustee |
| Charles O. Prince | |
| /s/Karla M. Rabusch | Director/Trustee |
| Karla M. Rabusch | |
| /s/Lorin Patrick Taylor Radtke | Director/Trustee |
| Lorin Patrick Taylor Radtke | |
| /s/Leah Song Richardson | Director/Trustee |
| Leah Song Richardson | |
| /s/Mark A. Schmid | Director/Trustee |
| Mark A. Schmid |
EXHIBIT A
Lord Abbett Affiliated Fund, Inc.
Lord Abbett Bond-Debenture Fund, Inc.
Lord Abbett Developing Growth Fund, Inc.
Lord Abbett Global Fund, Inc.
Lord Abbett Investment Trust
Lord Abbett Mid Cap Stock Fund, Inc.
Lord Abbett Municipal Income Fund, Inc.
Lord Abbett Research Fund, Inc.
Lord Abbett Securities Trust
Lord Abbett Series Fund, Inc.
Lord Abbett Trust I
Lord Abbett U.S. Government & Government Sponsored Enterprises Money Market Fund, Inc.
Lord Abbett Credit Opportunities Fund
Lord Abbett Floating Rate High Income Fund
Lord Abbett Special Situations Income Fund