Philip next concludes a treaty with Antiochus…

Philip next concludes a treaty with Antiochus III of the Seleucid Empire, hoping to divide up the land held by Ptolemaic Egypt under the young child-king Ptolemy V. Philip agrees to help Antiochus to seize southern Syria, Lycia, Cilicia, and Cyprus, while Antiochus promises to help Philip take control of Cyrene, the Cyclades and Ionia.

With this treaty concluded, Philip's army attacks Ptolemy's territories in Thrace.

Next, the Macedonian fleet heads south and takes the island of Samos from Ptolemy V, capturing the Egyptian fleet stationed there.

The fleet then turns north and …