Trinity Mirror and Channel 4 also put their names to the letter.
She left Trinity Mirror, six months earlier than planned, in June 2012.
It is unknown to whether under the new ownership of Trinity Mirror that this strategy may change again.
Trinity Mirror did not conduct a backward looking investigation into phone hacking.
Points out that when she wrote her statement, Trinity Mirror owned 160 regional papers, now 140.
Trinity Mirror is understood to have held preliminary discussions for the sale of ic24, the newspaper publishing group's internet service provider.
I was a senior editorial manager in Trinity Mirror when all this was going on.
In 1995 this group also started an English language evening paper, the Trinity Mirror.
Trinity Mirror has a particularly disgusting output when it comes to this.
Trinity Mirror has imposed a company-wide pay freeze for its 6,500 staff throughout 2012.