The album was released in the UK on Monday, 1 July 1968 on EMI's Columbia label, reaching number 9 in the UK charts. It was released in the US by the Tower Records division of Capitol, where it was the only Pink Floyd album not to chart until 2019, when it peaked at 158. However, when reissued as "A Nice Pair" with the original version of "The Piper at the Gates of Dawn" after the success of "The Dark Side of the Moon", the album did chart at number 36 on the "Billboard" 200. "Let There Be More Light" was released as a single, backed with "Remember a Day", in the US on 19 August 1969. On 27 April 2019, the album finally charted on the Billboard 200 as a standalone peaking at No. 158 when the mono mix was re-released for Record Store Day.