Certification of Interim Filings - Venture Issuer Basic Certificate
I, Keith Henderson, Chief Executive Officer of Dorato Resources Inc ., certify the following:
Review: I have reviewed the interim financial statements and interim MD&A (together, the “interim
filings”) of Dorato Resources Inc. (the “issuer”) for the interim period ended April 30, 2010.
No misrepresentations: Based on my knowledge, having exercised reasonable diligence, the interim filings
do not contain any untrue statement of a material fact or omit to state a material fact required to be stated
or that is necessary to make a statement not misleading in light of the circumstances under which it was
made, with respect to the period covered by the interim filings.
Fair presentation: Based on my knowledge, having exercised reasonable diligence, the interim financial
statements together with the other financial information included in the interim filings fairly present in all
material respects the financial condition, results of operations and cash flows of the issuer, as of the date of
and for the periods presented in the interim filings.
Date: June 29, 2010
“ Keith Henderson” (signed) _____
Chief Executive Officer
NOTE TO READER
In contrast to the certificate required for non-venture issuers under National Instrument 52-109 Certification of Disclosure in Issuers’
Annual and Interim Filings (NI 52-109), this Venture Issuer Basic Certificate does not include representations relating to the establishment
and maintenance of disclosure controls and procedures (DC&P) and internal control over financial reporting (ICFR), as defined in NI 52-
109. In particular, the certifying officers filing this certificate are not making any representations relating to the establishment and
controls and other procedures designed to provide reasonable assurance that information required to be disclosed by the issuer in its
annual filings, in