Egypt is limited by its 1979 peace treaty with Israel as to the number of forces it is allowed to station in the Sinai Peninsula, although Israel has in the past approved Egypt breaching those numbers to battle an Islamic insurgency in the area.

Source: https://www.timesofisrael.com/egyptian-lawmaker-pans-netanyahus-postwar-gaza-ideas-as-violation-of-peace-treaty/

Gamliel’s report says the best possible outcome following Israel’s war "that will yield positive and long-term strategic results" is the transfer of Gaza's Palestinians to the Sinai Peninsula.

Source: https://www.middleeasteye.net/news/israel-palestine-war-gaza-egypt-push-nakba-fears

Israel also possessed the Alma oil field in the Sinai Peninsula after capturing the territory from Egypt during the 1967 war.

Source: https://www.al-monitor.com/originals/2023/02/explainer-israel-now-oil-exporter-energean-deal-how-significant