exhibit 10. 2a space license agreement commencement date : october 20, 2016 expiration date : april 17, 2017 commencement date : october 20, 2016 expiration date : april 17, 2017 expiration date : april 17, 2017 owner owner name : bmr - bayshore boulevard lp notice address : 17190 bernardo center drive san diego, california 92128 attn : legal department owner owner name : bmr - bayshore boulevard lp notice address : 17190 bernardo center drive san diego, california 92128 attn : legal department notice address : 17190 bernardo center drive san diego, california 92128 attn : legal department facsimile : * * * * * email : * * * * * user user name : unity biotechnology, inc. notice address : 3280 bayshore boulevard, brisbane, california 94005 facsimile : n / a email : * * * * * description of space and use building / space : approximately 750 rentable square feet located on the second ( 2nd ) floor and approximately 150 rentable square feet located on the first ( 1st ) floor, in each case in the building ( the “ building ” ) at 3280 bayshore boulevard in brisbane, california, as shown on exhibit a attached hereto ( the “ license area ” ). use : with respect to the portion of the license area located on the first ( 1st ) floor of the building : general storage use in accordance with applicable laws ( as defined below ) and any other requirements of any federal, state, regional, local or municipal governmental authority, agency or subdivision ( each, a “ governmental authority ” ). with respect to the portion of the license area located on the second ( 2nd ) floor of the building : office use in accordance with applicable laws ( as defined below ) and any other requirements of any governmental authority. facsimile : * * * * * email : * * * * * user user name : unity biotechnology, inc. notice address : 3280 bayshore boulevard, brisbane, california 94005 facsimile : n / a email : * * * * * description of space and use building / space : approximately 750 rentable square feet located on the second ( 2nd ) floor and approximately 150 rentable square feet located on the first ( 1st ) floor, in each case in the building ( the “ building ” ) at 3280 bayshore boulevard in brisbane, california, as shown on exhibit a