Item 4

Ownership:

(a)  Amount Beneficially Owned:  MAM (US) has beneficial ownership of 11,752 shares of Common Stock, MAM (NA) has beneficial ownership of 8,899 shares of Common Stock and MAML has beneficial ownership of 2,146,944 shares of Common Stock, of which Manulife Canadian Focused Fund owns directly 2,054,817 shares.  Through its parent-subsidiary relationship to MAM (US), MAM (NA) and MAML, MFC may be deemed to have beneficial ownership of these same shares.

(b)  Percent of Class:  Of the 27,709,382 shares outstanding as of January 9, 2013, according to the issuer’s Annual Report filed on Form 10-K for the fiscal year ended October 31, 2012, MAM (US) held 0.04%, MAM (NA) held 0.03% and MAML held 7.75%, of which Manulife Canadian Focused Fund held directly 7.42%.

(c)  Number of shares as to which the person has:

(i)

sole power to vote or to direct the vote:
MAM (US), MAM (NA) and MAML each has sole power to vote or to direct the voting of the shares of Common Stock beneficially owned by each of them.

(ii)

shared power to vote or to direct the vote:  -0-

(iii)

sole power to dispose or to direct the disposition of:
MAM (US), MAM (NA) and MAML each has sole power to dispose or to direct the disposition of the shares of Common Stock beneficially owned by each of them.

(iv)

shared power to dispose or to direct the disposition of:  -0-

Item 5

Ownership of Five Percent or Less of a Class:
Not applicable.

Item 6

Ownership of More than Five Percent on Behalf of Another Person:
Not applicable.

Item 7

Identification and Classification of the Subsidiary which Acquired the Security Being Reported on by the Parent Holding Company or Control Person:
See Items 3 and 4 above.

Item 8

Identification and Classification of Members of the Group:
Not applicable.

Item 9

Notice of Dissolution of Group:
Not applicable.

Item 10

Certification:
By signing below the undersigned certifies that, to the best of its knowledge and belief, (i) the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, and (ii) the foreign regulatory schemes applicable to MAML and Manulife Canadian Focused Fund, respectively, are substantially comparable to the regulatory scheme applicable to the functionally equivalent U.S. institutions. The undersigned also undertakes to furnish to the Commission staff, upon request, information that would otherwise be disclosed in a Schedule 13D.

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