The phrase "a statement confirming that" is correct and usable in written English.
It can be used when you want to refer to a declaration that verifies or affirms a particular fact or situation.
Example: "The report included a statement confirming that all safety protocols had been followed during the experiment."
Alternatives: "a declaration affirming that" or "a confirmation that".
But before he had even left Italy, Roma published a statement confirming that Lamela had already been sold.
An archdiocese spokeswoman, Donna M. Morrissey, issued a statement confirming that Cardinal Law "would like to schedule a meeting".
Corbyn didn't answer Cameron's point directly, but Labour later released a statement confirming that Downing had been ejected from the party.
After The Washington Post first published this story, White House press secretary Sarah Huckabee Sanders issued a statement confirming that plans are underway.
An educational psychologist had since visited the family and provided a statement confirming that Gabriel was being provided with "suitable education", she said.
Today Trinity Mirror issued a statement confirming that Wallace, a former US correspondent for the paper, had been in talks about taking over as editor of the New York tabloid.
The Blues board were forced to issue a statement confirming that Rowett will stay, after speculation linking him to both Fulham and Queens Park Rangers.
The Welsh team issued a statement confirming that Michu had "completed a medical earlier today and will now link up with Rafa Benitez's side".
Russian prison authorities issued a statement confirming that "convict Tolokonnikova has arrived to the institution of the Russian prison service in the Krasnoyarsk region".
London Ambulance Service tweeted a statement confirming that 19 people were taken to hospital, and four people admitted themselves.
Fox Sports provided the Arizona Republic with a statement confirming that Walsh is an employee and that the company does not comment on personal matters.
