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        Signature
      
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        /s/ Isaac Kalish
      
      
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        Stock symbol
      
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        OLP
      
      
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        Transactions as of
      
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        Aug 3, 2023
      
      
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        Transactions value $
      
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        $0
      
      
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        Form type
      
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        4
      
      
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        Date filed
      
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        8/7/2023, 05:00 PM
      
 
     
   
 
  
    Transactions Table
  
  
    
      
        
          | Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes | 
      
      
          
            | transaction | OLP | Common Stock | Award |  | +4K | +6.01% |  | 70.5K | Aug 3, 2023 | Direct | F1, F2 | 
          
            | holding | OLP | Common Stock |  |  |  |  |  | 19.4K | Aug 3, 2023 | By Gould Investors L.P. pension trust | F3 | 
          
            | holding | OLP | Common Stock |  |  |  |  |  | 155K | Aug 3, 2023 | By REIT Mgt. Corp. pension and profit sharing trusts | F4 | 
          
            | holding | OLP | Common Stock |  |  |  |  |  | 4.17K | Aug 3, 2023 | By BRT Apartments Corp. Pension Trust | F5 | 
          
            | holding | OLP | Common Stock |  |  |  |  |  | 6.43K | Aug 3, 2023 | As custodian for children pursuant to UGMA | F2 | 
          
            | holding | OLP | Common Stock |  |  |  |  |  | 4.08K | Aug 3, 2023 | By daughter | F2, F6 | 
      
    
   
  
    * An asterisk sign (*) next to the price indicates that the price is likely invalid.
  
  
    Explanation of Responses: