As Of	Filer	Filing¹	For·On·As	Docs:Size	Issuer		Filing Agent

 8/25/23  Dreyfus Inst’l Reserves Funds     485BPOS      9/1/23   20:6.1M                                                            
          → Dreyfus Institutional Preferred Treasury Obligations Fund
 7/27/23  Dreyfus Inst’l Reserves Funds     485BPOS      8/1/23   23:10M                                                             
          → Dreyfus Institutional Preferred Government Money Market Fund
 8/26/22  Dreyfus Inst’l Reserves Funds     485BPOS      9/1/22   18:8.1M                                                            
          → Dreyfus Institutional Preferred Treasury Obligations Fund
 7/27/21  Dreyfus Inst’l Reserves Funds     485BPOS     7/30/21   24:8.3M                                                            
          → Dreyfus Institutional Preferred Government Money Market Fund
 9/15/20  Dreyfus Inst’l Reserves Funds     485BPOS     9/15/20   23:3.8M                                                            
          → Dreyfus Institutional Preferred Treasury Obligations Fund
          → Dreyfus Institutional Treasury Securities Cash Advantage Fund
 8/25/20  Dreyfus Inst’l Reserves Funds     485BPOS      9/1/20    2:4.5M                                                            
          → Dreyfus Institutional Preferred Treasury Obligations Fund
          → Dreyfus Institutional Treasury Securities Cash Advantage Fund
  8/7/20  Dreyfus Inst’l Reserves Funds     485BPOS      8/7/20   27:5.1M                                                            
          → Dreyfus Institutional Preferred Government Money Market Fund

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¹	Filing/Form Type:
	485BPOS	Post-Effective Amendment of a Form N-1 or N-1A Registration.
→	Fund / Series:  Fund or Series of this Filer with a Class or Contract that this Filing pertains to.