plz read again the article attached is discussing about PN Sea Eagle ....
4 as far as I understand, one was already converted other three were intended to be converted depending upon availability of Budget .....
I think Exocet Missiles would have more chances of Integration with Sea Eagle rather then C-802 probably because of the reason that both Exocet Missile and Sea Eagle are European origin systems
In addition to 7 P-3C
[link] additional 4 ATR Sea Eagle would give a decent number of 11 aircrafts for MPAs, while within next decade Jet power MPAs would also join so Pakistan Navy will have decent number of MPAs and Aerial subhunters platforms which not only cover Arabian Sea but a beyond Arabian Sea deep into Indian Ocean.