November 24, 1999 Securities and Exchange Commission Washington, D.C. 20549 Re: YP.Net, Inc. File No. 85-0206668 Dear Sir or Madam: We have read Item 4.(1) of the Form 8-K of YP.Net, Inc. ( formerly known as RIGL Corporation) dated November 18, 1999, and agree with the statements contained therein. Very truly yours, /s/___________ SINGER LEWAK GREENBAUM & GOLDSTEIN LLP