Given the input sentence, please extract the subject and object containing a certain relation in the sentence according to the following relation types, in the format of "relation1: word1, word2; relation2: word3, word4". Relations include: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

RSA Insurance Group plc (“the Company”) announces that Martin Scicluna, Chairman of the Company, is a Non-Executive Director and Chairman of the Audit Committee of Worldpay Group plc, which with effect from 16 October 2015 has been admitted to the Official List and to trading on the London Stock Exchange.

Answer: headquarters_location: Worldpay, London