Is a Supplemental Form 8 attached? (Note 9) NODate of disclosure 02/07/2009 Contact name Martyn MorrisTelephone number 01392 477582 If a connected EFM, name of offeree/offerorN/A with which connectedIf a connected EFM, state nature ofN/A connection (Note 10) NotesThe Notes on Form 8.3 can be viewed on the Takeover Panel's website at . CFDN/A(c) Options transactions in respect of existing securities(i) Writing, selling, purchasing or varyingProduct name, Writing,Number of Exercise Type, e.g ExpiryOption selling,securities toAmerican,moneye.g. call purchasing, which the priceEuropean date optionvarying option etc. OTHER INFORMATIONAgreements, arrangements or understandings relating to options or derivativesFull details of any agreement, arrangement or understanding between the person disclosing and any other person relating to the voting rights of any relevantsecurities under any option referred to on this form or relating to the voting rights or future acquisition or disposal of any relevant securities to which any derivative referred to on this form is referenced If none, this should be stated.

callNumber of securitiesExercise price per unit option (Note 5) N/A(d) Other dealings (including new securities) (Note 4)Nature of transactionDetails Price per unit (if(Note 8) applicable) (Note 5) N/A4. paid/etc.relates (Note received 7)per unit (Note 5)N/A(ii) ExercisingProduct name, e.g. DEALINGS (Note 4)(a) Purchases and salesPurchase/saleNumber of securitiesPrice per unit (Note 5)Sale 500,000 £1.20 (b) Derivatives transactions (other than options)Product name,Long/short (NoteNumber of securities Price per unit (Note6)(Note 7) 5) e.g. INTERESTS, SHORT POSITIONS AND RIGHTS TO SUBSCRIBE(a) Interests and short positions (following dealing) in the class of relevantsecurity dealt in (Note 3) Long ShortNumber(%)Number(%) (1) Relevant securities2,609,913 2.459% 0 0 (2) Derivatives (other than0 00 0options)(3) Options and agreements 0 00 0to purchase/sellTotal2,609,913 2.459% 0 0(b) Interests and short positions in relevant securities of the company, otherthan the class dealt in (Note 3)Class of relevant security Long ShortNumber(%)Number(%) (1) Relevant securities0 00 0 (2) Derivatives (other than0 00 0options)(3) Options and agreements 0 00 0to purchase/sellTotal0 00 0(c) Rights to subscribe (Note 3)Class of relevant security: Details N/A3. KEY INFORMATIONName of person dealing (Note 1) The Directors Dealing Investment Trust plcCompany dealt inConcateno Plc Class of relevant security to Ordinary 10p which the dealings being disclosed relate (Note 2) Date of dealing 01/07/2009 2. For further information please contact Positron Corporation at (866)-613-7587.

Positron CorporationPatrick Rooney866-613-7587 Copyright Business Wire 2009. FORM 8.3 DEALINGS BY PERSONS WITH INTERESTS IN SECURITIES REPRESENTING 1% OR MORE(Rule 8.3 of the Takeover Code)1. Important factors that couldcause actual results to differ materially from the company's expectationsinclude, but are not limited to, those factors that are disclosed under theheading "Risk Factors" and elsewhere in documents filed by the company from timeto time with the United States Securities and Exchange Commission and otherregulatory authorities. The Companyassumes no obligation to publicly update or revise these forward-lookingstatements for any reason, or to update the reasons actual results could differmaterially from those anticipated in these forward-looking statements, even ifnew information becomes available in the future. You shouldnot place undue reliance on forward-looking statements since they involve knownand unknown risks, uncertainties and other factors which are, in some cases,beyond the Company's control and which could, and likely will, materially affectactual results, levels of activity, performance or achievements. Certain statements in thisrelease, and other written or oral statements made by NanoViricides, Inc. are"forward-looking statements" within the meaning of Section 27A of the SecuritiesAct of 1933 and Section 21E of the Securities Exchange Act of 1934.