SECCY changed to SCGPY: Registered holders (if any) should surrender their old unsponsored ADR certificates of Serco Group Plc for cancellation in order to receive the new sponsored ADRs of Serco Group Plc at the rate of 1 (one) sponsored ADS for every 1 (one) unsponsored ADS. Sponsored Symbol [SCGPY]
http://otce.finra.org/DLDeletions