Investors FAQ

1.What does MannKind Corporation do?
2.When was MannKind Corporation founded?
3.How many employees does MannKind have?
4.What is your fiscal year?
5.On which exchange does MannKind trade and what is the symbol?
6.When was your IPO?
7.How many shares are outstanding?
8.Which investment banking firms cover MannKind?
9.Does MannKind issue dividends on its common stock?
10.Who is your independent auditor?
11.Who is your outside corporate counsel?
12.How do I contact your Investor Relations?
13.Where are your headquarters?
14.Who is your transfer agent?

1.What does MannKind Corporation do?
 MannKind Corporation is a biopharmaceutical company focused on the discovery, development and commercialization of therapeutic products for diseases such as diabetes and cancer. Our lead investigational product candidate, the Technosphere Insulin System, is currently in phase 3 clinical trials in theUnited States, Europe and Latin America to study its safety and efficacy in the treatment of diabetes. This dry powder therapy consists of our proprietary Technosphere particles onto which insulin molecules are loaded. These loaded particles are then aerosolized and inhaled into the deep lung using our proprietary MedTone inhaler. We believe that the performance characteristics, unique kinetics, convenience and ease of use of the Technosphere Insulin System may have the potential to change the way diabetes is treated.

2.When was MannKind Corporation founded?
 MannKind was founded in February 1991.

3.How many employees does MannKind have?
 As of September 30, 2007, MannKind had 640 full-time employees.

4.What is your fiscal year?
 December 31

5.On which exchange does MannKind trade and what is the symbol?
 NASDAQ: MNKD

6.When was your IPO?
 July 28, 2004

7.How many shares are outstanding?
 MannKind had 100,917,012 shares outstanding as of November 1, 2007.

8.Which investment banking firms cover MannKind?
 Please see our analyst page for current coverage.

9.Does MannKind issue dividends on its common stock?
 No.

10.Who is your independent auditor?
 Deloitte & Touche LLP

11.Who is your outside corporate counsel?
 Cooley Godward LLP

12.How do I contact your Investor Relations?
 To contact MannKind's Investor Relations, please fill out the online information request form or e-mail: ir@mannkindcorp.com

13.Where are your headquarters?
 MannKind Corporation
28903 North AvenuePaine
Valencia, CA 91355
Phone: (661) 775-5300
Fax: (661) 775-2080

14.Who is your transfer agent?
 Mellon Investor Services LLC
400 South Hope Street, Suite 400
Los Angeles,CA90071
Phone: (213) 553-9722
Fax: (213) 553-9735

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