Former E! News host Catt Sadler on Wednesday said she chose to leave her television job because she found out a "similarly situated male co-host" was earning significantly more than her.

"More recently, when E reached out to renew and extend my deal, I learned that he wasn’t just making a little more than I was. In fact, he was making close to double my salary for the past several years," Sadler wrote in a blog post. “I have two decades experience in broadcasting and started at the network the very same year as my close friend and colleague that I adore."

Sadler, who has been with the network for more than a decade, abruptly resigned Tuesday. She co-hosted a daytime show with Jason Kennedy and was later tapped to additionally take over the two-hour live show "Daily Pop."

Sadler said she learned of the pay discrepancy from a network executive then made repeated requests for what she said would be proper compensation in light of her extra responsibilities.

"My team and I asked for what I know I deserve and were denied repeatedly," she said.

"How can I operate with integrity and stay on at E! if they’re not willing to pay me the same as him? Or at least come close," Sadler added. "How can I remain silent when my rights under the law have been violated?” she asked. “How can we make it better for the next generation of girls if we do not stand for what is fair and just today?"

An E! News spokesperson insisted its employees were paid "fairly and appropriately based on their roles, regardless of gender."