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Investor FAQ

Where is Interphase located?
The Interphase corporate headquarters is located at 2901 N. Dallas Pkwy, Suite 200, Plano, TX 75093, and its European headquarters at 855, Avenue Roger Salengro, Chaville, 92370, France. The company's manufacturing and operations center is located at 2105 Luna Road, Suite 320, Carrollton, TX 75006. Interphase has sales offices across the United States, Paris, Munich, and Helsinki. For more information regarding whom to contact in your area click here.

What are the closing dates for Interphase financial reporting periods?
Q1 - March 31
Q2 - June 30
Q3 - September 30
Q4 - December 31

When will Interphase release its quarterly results?
Q1 - on or about the 4th week of April
Q2 - on or about the 4th week of July
Q3 - on or about the 4th week of October
Q4 - on or about the 1st week of February

Where is Interphase stock traded?
Interphase stock trades over the counter on the NASDAQ National Market System under the symbol INPH.

What is Interphase's CUSIP number?
The CUSIP number for Interphase common stock is 460593106.

When was Interphase Incorporated?
Interphase was founded in 1977, and was incorporated in the state of Texas. Shares of the company's common stock have been traded on the NASDAQ since January 1984.

Can I purchase shares directly from the company?
No, Interphase does not have a direct stock purchase plan.

How does someone purchase Interphase stock?
Interphase common stock can be bought or sold through a stock broker, bank, or through any financial institution that provides brokerage services.

How many people own Interphase stock?
As of March 10, 2008, Interphase had approximately 1,700 beneficial owners of its common stock.

Who is Interphase's transfer agent?
Interphase has selected Computershare Trust Company, Inc., Golden, CO., as its transfer agent.

How can I obtain the latest quarterly earnings release?
The latest releases can be found on our News & Events web page here.

How can I obtain a copy of your annual report?
Interphase annual reports are available for download in PDF format from the Investor Relations section under the About Us link of this website. Click here to download an Interphase Corporation annual report.

How can I obtain copies of your SEC documents?
Interphase files its SEC documents through the SEC EDGAR database.
Link to the SEC Site

Who should I notify in the event of an address change?
Change of address notifications should be directed to Interphase Investor Relations. You may notify them by email at ir@iphase.com, or through regular mail at Interphase Corporation, Attn: Investor Relations, 2901 North Dallas Parkway, Suite 200, Plano, Texas 75093.

Where should I call for answers to general non-stockholder questions?
For answers to general non-stock stockholder questions, please contact one of the following:

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