BNY MELLON INVESTMENT ADVISER, INC.
240 Greenwich Street

New York, New York 10286

March 18, 2022

General Municipal Money Market Funds, Inc.
-Dreyfus National Municipal Money Market Fund

240 Greenwich Street
New York, New York 10286

Re: Expense Limitation

To Whom It May Concern:

Effective March 31, 2022, BNY Mellon Investment Adviser, Inc. ("BNYM Investment Adviser"), intending to be legally bound, hereby confirms its agreement in respect of Dreyfus National Municipal Money Market Fund (the "fund"), a series of General Municipal Money Market Funds, Inc., as follows:

Until March 31, 2023, BNYM Investment Adviser will waive receipt of its fees and/or assume the direct expenses of the fund so that the direct expenses of the fund's Premier shares (excluding taxes, interest, brokerage commissions, commitment fees on borrowings and extraordinary expenses) do not exceed .45%. On or after March 31, 2023, BNYM Investment Adviser may terminate this expense limitation agreement at any time.

This Agreement may only be amended by agreement of the fund upon the approval of the Board of Directors of the fund and BNYM Investment Adviser to lower the net amounts shown and may only be terminated prior to March 31, 2023, in the event of termination of the Management Agreement between BNYM Investment Adviser and the fund.

BNY MELLON INVESTMENT ADVISER, INC.

By: /s/ James Bitetto

        James Bitetto

        Secretary

Accepted and Agreed To:

GENERAL MUNICIPAL MONEY MARKET FUNDS, INC.

-DREYFUS NATIONAL MUNICIPAL MONEY MARKET FUND

By: /s/ James Windels

        James Windels

        Treasurer