Castillian Appoints John Buckle, P.Geo. As President/CEO.

TORONTO -- Castillian Resources Corp. ("Castillian") (TSX VENTURE:CT) is pleased to announce the appointment of Mr. John Buckle, P.Geo. as President/CEO effective May 9, 2005. Mr. Buckle is well known to the geoscience community as a Consulting Geophysicist and President of the Association of Professional Geoscientists of Ontario (APGO). He brings a strong background in both geophysics and geology with more than 30 years of varied, mineral exploration expertise. Mr. Buckle's experience in Brazil with Desert Sun Mining, CVRD and others, is an advantage for the company's geophysically oriented Mangabal Nickel project. As Castillian's Qualifed Person under National Instrument 43-101, John will direct the company's participation in the Joint Venture with Falconbridge on the exciting Mangabal nickel project in Central Brazil. Mr. Buckle commented "It is an honour to take the helm of such a well structured company, with a mining-camp scale Nickel project and a world-class JV partner. My mission is to make Castillian Resources the leading base metal exploration company in Latin America."

He also brings sales and marketing expertise gained through years in Executive Marketing positions with multi-national geoscience service providers. The company welcomes John to the corporate office at 65 Queen St. W., Suite 815 Toronto Ontario M5H 2M5. Mr. Buckle can be reached directly at [phone] or by e-mail at [e-mail]

The Company has issued Mr. Buckle options to purchase 200,000 common shares of the Company at $0.57 per share, valid until May 9, 2010.

Castillian Resources Corp is a Canadian mineral exploration company listed on the TSX Venture Stock Exchange. The Company is focused on acquiring, exploring and developing Ni-Cu, polymetallic and base metal deposits in Latin America. The Company has an earn-in right to 50% of the Falconbridge, 765 sq km Mangabal Nickel Project, in Goias State, Brazil. This project will test 28 high priority coincident geophysical/geochemical anomalies in terrain with similarities to most major sulphide camps, such as Thompson, Raglan, Voiseys Bay, and Norilsk. The project area covers 14 untested mafic-ultramafic intrusive complexes, one of which hosts the 4.98 Mt @ 0.62% Ni and 0.65% Cu Americano deposit recently purchased by Jaguar Mining Inc. Falconbridge will be the operator of the project and have proposed an aggressive USD$2.0 Million exploration program for the remainder of 2005 culminating in a diamond drill program of approximately 7,500 m.

Statements in this release that are not historical facts are "forward-looking statements" within the meaning of the U.S. Private Securities Litigation Reform Act of 1995. Readers are cautioned that any such statements are not guarantees of future performance and that actual developments or results may vary materially from those in these "forward-looking statements".

The TSX Venture Exchange has not reviewed and does not accept responsibility for the adequacy or accuracy of this release.

Castillian Resources Corp. (TSX VENTURE:CT)