The 26-year-old will appear in Joondalup Magistrates Court next week.
Police allege the man attempted the exploitive conversations with the child persona in August.
He was later alleged to have exposed the fake online identity to indecent matter.
Police last week charged the man with using electronic communication to expose a person believed to be under 16 to indecent matter.
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He was also charged with using electronic communication to procure a person believed to be under 16 for engagement in sexual activity.
He is due to face court on November 27.