While there is no "exclusive" physical paper product by that name, the search term "ps2 chd roms exclusive" refers to digital archival collections. If you are looking for specific resources related to PlayStation 2 Go to product viewer dialog for this item.
If you cannot find a specific "exclusive" CHD ROM, you can make your own. The tool you need is (part of MAME).
: These are considered "good" files because they are bit-perfect copies verified by groups like Redump.org The Private Tracker Mystique
The adoption of the CHD format for PS2 libraries is driven by distinct technical advantages over legacy formats:
chdman createcd -i game.iso -o game.chd