Sporting announced on Wednesday the transfers of Geovany Quenda and Dario Essugo to Chelsea.
In a statement to the CMVM, the Lions detailed the values of the deal that will bring in 74.408 million euros (£62.4m) to their coffers.
Quenda is heading to London for 52.136 million euros (£43.7m) - 50.777 million euros (£42.6m) are fixed, with 1.358 million euros (£1.1m) in variables resulting from sporting performance.
It has also been confirmed that the Portuguese Under-21 international will stay in Alvalade for another season.
Essugo is going for 22.272 million euros (£18.6m). The transfer takes place in the summer, with the Portuguese midfielder staying at Las Palmas until the end of this season.