From the Chairman's Desk

Thank you for visiting Therapeutic Proteins, Inc. (TPI), a cGMP-compliant and BLA-certifiable
manufacturer of biological APIs, located in the heart of Chicago.

Our portfolio of products includes both small-dose cytokines and large-dose monoclonal antibodies
and fusion proteins. Meeting the highest standards of biosimilarity and complying with all compendia
requirements,TPI offers products ready for regulatory filing worldwide at the most competitive prices.

The proprietary products of TPI include longer-acting monoclonal antibodies and in situ pegylation of
difficult to conjugate molecules.

TPI is able to make the highest quality products at the most competitive cost by pioneering
manufacturing technology that is revolutionary and protected by dozens of patents; we use flexible
two-dimensional bags in our proprietary bioreactors in fully disposable systems. We have also
innovated downstream processing to increase the purity of drugs to almost a 100% level.

I invite you to see how TPI’s brilliant team of innovation-seeking scientists can meet and exceed your
needs and make you stand out among the competition when it comes to quality, cost, and innovation.

 TPI Team    |   Management 

Sarfaraz K. Niazi, Ph.D.,
Executive Chairman