Exhibit
12.1



CERTIFICATION
OF THE CHIEF EXECUTIVE OFFICER PURSUANT TO RULE 13A-14 OR 15D-14 OF THE SECURITIES EXCHANGE ACT OF 1934, AS ADOPTED PURSUANT
TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002



I,
John G. Robertson, certify that:



|1. |  | I
                                                                                                                                            have
                                                                                                                                            reviewed
                                                                                                                                            this
                                                                                                                                            annual
                                                                                                                                            report
                                                                                                                                            on
                                                                                                                                            Form
                                                                                                                                            20-F
                                                                                                                                            of
                                                                                                                                            Teryl
                                                                                                                                            Resources
                                                                                                                                            Corp.;
|-- |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



|2. |  | Based on my knowledge, this
report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements
made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by
this report;
|-- |  | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



|3. |  | Based on my knowledge, the
financial statements, and other financial information included in this report, fairly present in all material respects the financial
condition, results of operations and cash flows of the company as of, and for, the periods presented in this report;
|-- |  | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



|4. |  | The company’s other certifying
officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act
Rules 13a-15 (e) and 15d-15 (e)) and internal control over financial reporting (as defined in Exchange Rules 13a-15(f) and 15d-15(f))
for the company and have:
|-- |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | (a) | Designed
                                                                                                                                                                                        such
                                                                                                                                                                                        disclosure
                                                                                                                                                                                        controls
                                                                                                                                                                                        and
                                                                                                                                                                                        procedures,
                                                                                                                                                                                        or
                                                                                                                                                                                        caused
                                                                                                                                                                                        such
                                                                                                                                                                                        disclosure
                                                                                                                                                                                        controls
                                                                                                                                                                                        and
                                                                                                                                                                                        procedures
                                                                                                                                                                                        to
                                                                                                                                                                                        be
                                                                                                                                                                                        designed
                                                                                                                                                                                        under
                                                                                                                                                                                        our
                                                                                                                                                                                        supervision,
                                                                                                                                                                                        to
                                                                                                                                                                                        ensure
                                                                                                                                                                                        that
                                                                                                                                                                                        material
                                                                                                                                                                                        information
                                                                                                                                                                                        relating
                                                                                                                                                                                        to
                                                                                                                                                                                        the
                                                                                                                                                                                        company,
                                                                                                                                                                                        including
                                                                                                                                                                                        its
                                                                                                                                                                                        consolidated
                                                                                                                                                                                        subsidiaries,
                                                                                                                                                                                        is
                                                                                                                                                                                        made
                                                                                                                                                                                        known
                                                                                                                                                                                        to
                                                                                                                                                                                        us
                                                                                                                                                                                        by
                                                                                                                                                                                        others
                                                                                                                                                                                        within
                                                                                                                                                                                        those
                                                                                                                                                                                        entities,
                                                                                                                                                                                        particularly
                                                                                                                                                                                        during
                                                                                                                                                                                        the
                                                                                                                                                                                        period
                                                                                                                                                                                        in
                                                                                                                                                                                        which
                                                                                                                                                                                        this
                                                                                                                                                                                        report
                                                                                                                                                                                        is
                                                                                                                                                                                        being
                                                                                                                                                                                        prepared;
| | --- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | (b) | Designed
                                                                                                                                                                                        such
                                                                                                                                                                                        internal
                                                                                                                                                                                        control
                                                                                                                                                                                        over
                                                                                                                                                                                        financial
                                                                                                                                                                                        reporting,
                                                                                                                                                                                        or
                                                                                                                                                                                        caused
                                                                                                                                                                                        such
                                                                                                                                                                                        internal
                                                                                                                                                                                        control
                                                                                                                                                                                        over
                                                                                                                                                                                        financial
                                                                                                                                                                                        reporting
                                                                                                                                                                                        to
                                                                                                                                                                                        be
                                                                                                                                                                                        designed
                                                                                                                                                                                        under
                                                                                                                                                                                        our
                                                                                                                                                                                        supervision,
                                                                                                                                                                                        to
                                                                                                                                                                                        provide
                                                                                                                                                                                        reasonable
                                                                                                                                                                                        assurance
                                                                                                                                                                                        regarding
                                                                                                                                                                                        the
                                                                                                                                                                                        reliability
                                                                                                                                                                                        of
                                                                                                                                                                                        financial
                                                                                                                                                                                        reporting
                                                                                                                                                                                        and
                                                                                                                                                                                        the
                                                                                                                                                                                        preparation
                                                                                                                                                                                        of
                                                                                                                                                                                        financial
                                                                                                                                                                                        statements
                                                                                                                                                                                        for
                                                                                                                                                                                        external
                                                                                                                                                                                        purposes
                                                                                                                                                                                        in
                                                                                                                                                                                        accordance
                                                                                                                                                                                        with
                                                                                                                                                                                        generally
                                                                                                                                                                                        accepted
                                                                                                                                                                                        accounting
                                                                                                                                                                                        principles;
| | --- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | (c) | Evaluated
                                                                                                                                                                                        the
                                                                                                                                                                                        effectiveness
                                                                                                                                                                                        of
                                                                                                                                                                                        the
                                                                                                                                                                                        company’s
                                                                                                                                                                                        disclosure
                                                                                                                                                                                        controls
                                                                                                                                                                                        and
                                                                                                                                                                                        procedures
                                                                                                                                                                                        and
                                                                                                                                                                                        presented
                                                                                                                                                                                        in
                                                                                                                                                                                        this
                                                                                                                                                                                        report
                                                                                                                                                                                        our
                                                                                                                                                                                        conclusions
                                                                                                                                                                                        about
                                                                                                                                                                                        the
                                                                                                                                                                                        effectiveness
                                                                                                                                                                                        of
                                                                                                                                                                                        the
                                                                                                                                                                                        disclosure
                                                                                                                                                                                        controls
                                                                                                                                                                                        and
                                                                                                                                                                                        procedures,
                                                                                                                                                                                        as
                                                                                                                                                                                        of
                                                                                                                                                                                        the
                                                                                                                                                                                        end
                                                                                                                                                                                        of
                                                                                                                                                                                        the
                                                                                                                                                                                        period
                                                                                                                                                                                        covered
                                                                                                                                                                                        by
                                                                                                                                                                                        this
                                                                                                                                                                                        report
                                                                                                                                                                                        based
                                                                                                                                                                                        on
                                                                                                                                                                                        such
                                                                                                                                                                                        evaluation;
                                                                                                                                                                                        and
| | --- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | (d) | Disclosed
                                                                                                                                                                                        in
                                                                                                                                                                                        this
                                                                                                                                                                                        report
                                                                                                                                                                                        any
                                                                                                                                                                                        change
                                                                                                                                                                                        in
                                                                                                                                                                                        the
                                                                                                                                                                                        company’s
                                                                                                                                                                                        internal
                                                                                                                                                                                        control
                                                                                                                                                                                        over
                                                                                                                                                                                        financial
                                                                                                                                                                                        reporting
                                                                                                                                                                                        that
                                                                                                                                                                                        occurred
                                                                                                                                                                                        during
                                                                                                                                                                                        the
                                                                                                                                                                                        period
                                                                                                                                                                                        covered
                                                                                                                                                                                        by
                                                                                                                                                                                        the
                                                                                                                                                                                        annual
                                                                                                                                                                                        report
                                                                                                                                                                                        that
                                                                                                                                                                                        has
                                                                                                                                                                                        materially
                                                                                                                                                                                        affected,
                                                                                                                                                                                        or
                                                                                                                                                                                        is
                                                                                                                                                                                        reasonably
                                                                                                                                                                                        likely
                                                                                                                                                                                        to
                                                                                                                                                                                        materially
                                                                                                                                                                                        affect,
                                                                                                                                                                                        the
                                                                                                                                                                                        company’s
                                                                                                                                                                                        internal
                                                                                                                                                                                        control
                                                                                                                                                                                        over
                                                                                                                                                                                        financial
                                                                                                                                                                                        reporting;
                                                                                                                                                                                        and
| | --- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



|5. |  | The company’s other certifying
officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the company’s
auditors and the audit committee of the company’s board of directors (or persons performing the equivalent functions):
|-- |  | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | (a) | All significant deficiencies
and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to
adversely affect the company’s ability to record, process, summarize and report financial information; and
| | --- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | (b) | Any fraud, whether or not material,
that involves management or other employees who have a significant role in the company’s internal control over financial
reporting.
| | --- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------



|Date: | September
30, 2013 | /s/
    John Robertson     
|----- | ------------------ | ---------------------------
|      |                    | John
    Robertson,        
|      |                    | Chief
    Executive Officer