The Straits Times
In 1903, Ager was made editor of "The Straits Times" until the appointment of Walter Makepeace. Ager continued at the paper as General Manager and Assistant Editor until his retirement in 1929. On his retirement, an article in "The Straits Times" honoured Ager as being largely responsible for the introduction of modern methods of newspaper production in Malaya and for making "The Straits Times" the most widely read newspaper in Singapore.