Complex sentence: Rein Otsason participated in the work of Monetary Reform Committee established on 27 March 1991 by Prime Minister Edgar Savisaar and signed on 10 May 1991 a contract with the company Thomas De La Rue & Co Ltd. for printing banknotes of Estonian kroons.
Split into simpler sentences: Rein Otsason participated in the work of Monetary Reform Committee established on 27 March 1991 and led by Prime Minister Edgar Savisaar. He signed on 10 May 1991 a contract with the company Thomas De La Rue & Co Ltd. for printing banknotes of Estonian kroons.