Item 4. Ownership:

(a) 5,492,834 of the shares are held in the name of The Canopy Group, Inc. ("Canopy"). 39,021 of the shares are held by Ralph J. Yarro, III and 60,000 of the shares are reserved for issuance upon the exercise of options held in the name of Mr Yarro. Mr. Yarro disclaims beneficial ownership of the shares held by Canopy except as to his pecuniary interest therein. The agreement among the Reporting Persons relating to the joint filing of this statement is attached as Exhibit 1 hereto.

(b) The 5,492,834 shares held by Canopy represents 38.4% of the outstanding shares of Common Stock on January 27, 2004. The 39,021 shares held directly and the 60,000 shares subject to the options held by Mr. Yarro represents less than one percent of the outstanding Common Stock on January 27, 2004.

(c) As a director and executive officer of Canopy, Mr. Yarro shares in the direction of voting and in the disposition of the 5,492,834 shares held by Canopy. Mr. Yarro has the ability to vote and dispose of the shares held in his account. . . .

Item 6. Ownership of More than Five Percent on Behalf of Another Person

The Noorda Family Trust is the owner of a majority of the capital stock of Canopy. Raymond J. and Lewena Noorda serve as trustees of the Noorda Family Trust.

Then in January, on the 30th, Canopy Group acquired 174,340 shares at $8.06, from a 6/03 transaction, so they then had 5,492,834, with a note saying, "1. Reporting Person acquired these shares in connection with the acquisition by the Issuer of Vultus, Inc. Shares were issued to Reporting Person for payment of assumed debt and for the purchase of equity in Vultus, Inc."

Capital Group International, Inc. had 10.3% of SCO as of April 8, 2004:

Capital Group International, Inc. ("CGII") is the parent holding company of a group of investment management companies that hold investment power and, in some cases, voting power over the securities reported in this Schedule 13G. The investment management companies, which include a "bank" as defined in Section 3(a)(6) of the Securities Exchange Act of 1934 (the "Act") and several investment advisers registered under Section 203 of the Investment Advisers Act of 1940, provide investment advisory and management services for their respective clients which include registered investment companies and institutional accounts. CGII does not have investment power or voting power over any of the securities reported herein. However, by virtue of Rule 13d-3 under the Act, CGII may be deemed to "beneficially own" 1,485,500 shares or 10.3% of the 14,379,184 shares of Common Stock believed to be outstanding.

Capital Guardian Trust Company, a bank as defined in Section 3(a)(6) of the Act is deemed to be the beneficial owner of 1,485,500 shares or 10.3% of the 14,379,184 shares of Common Stock believed to be outstanding as a result of its serving as the investment manager of various institutional accounts.