X0206 3 2020-09-17 0 0001815805 Broadstone Acquisition Corp. BSN/U 0000312069 BARCLAYS PLC 1 CHURCHILL PLACE CANARY WHARF LONDON X0 E14 5HP UNITED KINGDOM 0 0 1 0 Class A Ordinary Share, $0.0001 par value per share 3610000 I By Barclays Bank PLC Class A Ordinary Share, $0.0001 par value per share 500000 I By Barclays Capital Inc. Redeemable Warrants 11.5 Class A Ordinary Share 1805000 I By Barclays Bank PLC Redeemable Warrants 11.5 Class A Ordinary Share 250000 I By Barclays Capital Inc. (a)Beneficially owned Class A ordinary shares and redeemable warrants are comprised in Units, each consisting of one Class A ordinary share and one-half of one redeemable warrant The redeemable warrants will become exercisable on the later of 30 days after the completion of the issuer's initial business combination and 12 months from the closing of the initial public offering of the issuer's securities. The redeemable warrants will expire five years after the completion of the issuers initial business combination or earlier upon the redemption by or liquidation of the issuer, as described in the prospectus for the issuer's initial public offering. (a)Name of Person Filing: (1)Barclays PLC (2)Barclays Bank PLC (controlled by Barclays PLC) (3)Barclays Capital Inc. (controlled by Barclays PLC) (b)Address of Principal Business Office or, if none, Residence: (1)Barclays PLC 1 Churchill Place London, E14 5HP, England (2)Barclays Bank PLC 1 Churchill Place London, E14 5HP, England (3)Barclays Capital Inc. 745 Seventh Avenue New York, New York 10019 United States Suejean Mott 2020-09-24