Complex sentence: In 2007, Martifer SGPS, subsidiary of the Mota-Engil Group requested admission to trading on Euronext Lisbon, increasing the capital from 75 million shares to 100 million shares through an Initial Public Offer (IPO) of 25,000,000 shares representing the share capital.
Split into simpler sentences: In 2007, the associate of the Mota-Engil Group, Martifer SGPS, requested admission to listing on Euronext Lisbon. This operation constituted a capital increase from 75 million shares to 100 million, via an IPO of 25,000,000 shares representing the share capital.