Spinner Graeme Swann admitted some England players urinated on the pitch hours after the 3-0 series win over Australia on Sunday night.
The team released a statement on the England and Wales Cricket Board's official website to apologise for any offence caused, but Broad, speaking ahead of his side's first Twenty20 match against Australia at the Ageas Bowl tomorrow, refused to elaborate further.
Broad refused to address England's Ashes celebrations
The statement on ecb.co.uk said:
"The England cricket team would like to state that during our celebrations after winning the Ashes at no time was there any intention to disrespect Surrey CCC, the Oval or anyone else involved in the game we love.
"As a team we pride ourselves on respecting all things cricket including the opposition and the grounds we play at. We got carried away amongst the euphoria of winning such a prestigious series and accept that some of our behaviour was inappropriate.
"If that has caused any offence to anyone we apologise for that and want to reassure people that it was a simple error of judgement more than anything else."
Australian journalists still in the ground witnessed England players relieving themselves.
Reports have since indicated the ECB has launched an investigation into the matter after being contacted by Surrey chief executive Richard Gould.