PTSC Shareholder Webcast: April 14th, 2009 … 4:30 p.m. EST

Shareholder Questions:

1. MMP: - valid or rejected?

1. 1. Why wasn't the "final rejection" of the 336 patent a "material event", and what are our plans for appeal?

1. Moore vs. TPL: - threat or non-event?

1. 1. Why isn't the Moore dispute & arbitration request, which apparently occurred some time ago, a material event?

1. Moore/USPTO re-validation - Is Moore still involved and cooperating with the USPTO re-validation process?

1. TPL Expenses: - Is management confident that expenses billed by TPL Ventures is connected to licensing?

1. Crossflo: - profitable or not profitable in fiscal year 2009?

1. 1. Your Crossflo revenue projection was $6 mil in 2009 - Why such a small piece, when hospitals & doctors are projected to be spending billions in 2009/2010 to convert their medical records systems, in order to benefit from the stimulus package beginning in 2011?

1. 1. Do we have an adequate sales & marketing team in place to capture a bigger piece of this pie, and do you plan to adjust your revenue forecast upward for 2009?

1. 1. Why would a hospital/doctor choose Crossflo's solution over GE's, IBM's or the dozens of other solutions being marketed. What is our competitive advantage?

1. 1. What is an "average" sale amount for Crossflo's solution per hospital or doctor?

1. Holocom, Talis, Avot: - next steps?

1. M & A: - Are plans for M & A activities on hold, due to lack of money?

1. Stock Repurchase Plan: - stopped?

1. Avot: - Are we planning on investing more into Avot?

1. Nupower: - Who is licensing their technology? TPL? In-house? Newpower/PTSC combo?

1. PTSC monitoring Agora board? - Does PTSC have someone that regularly visits the Agoracom board to get a feel for shareholders’ sentiment and input since shareholders no longer have a representative for this purpose?