Certification Pursuant to Section 302
of the Sarbanes-Oxley Act of 2002

I,R.
Randall MacEwen,certify that:

|1. |  | I have
      reviewed this annual report on Form 40-F of Ballard Power Systems
      Inc.;                                                                                                                                                                                                                                                                
|-- |  | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|  
|2. |  | Based on my
      knowledge, this report does not contain any untrue statement of a material
      fact or omit to state a material fact necessary to make the statements
      made, in light of the circumstances under which such statements were made,
      not misleading with respect to the period covered by this
  report;                      
|  
|3. |  | Based on my
      knowledge, the financial statements, and other financial information
      included in this report, fairly present in all material respects the
      financial condition, results of operations and cash flows of the issuer as
      of, and for, the periods presented in this report;                                               
|  
|4. |  | The issuers
      other certifying officer and I are responsible for establishing and
      maintaining disclosure controls and procedures (as defined in Exchange Act
      Rules 13a-15(e) and 15d-15(e)) and internal control over financial
      reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for
      the issuer and have:
|  
|   |  | a)                                                                                                                                                                                                                                                                                                                                                        
|  
|   |  | b)                                                                                                                                                                                                                                                                                                                                                        
|  
|   |  | c)                                                                                                                                                                                                                                                                                                                                                        
|  
|   |  | d)                                                                                                                                                                                                                                                                                                                                                        
|  
|5. |  | The issuers
      other certifying officer and I have disclosed, based on our most recent
      evaluation of internal control over financial reporting, to the issuers
      auditors and the audit committee of the issuers board of directors (or
      persons performing the equivalent functions):                                               
|  
|   |  | a)                                                                                                                                                                                                                                                                                                                                                        
|  
|   |  | b)                                                                                                                                                                                                                                                                                                                                                        

Date: February 25, 2016

|By:                                   | /s/
      R. Randall MacEwen | 
|------------------------------------- | ---------------------------- | 
|Name: R. Randall MacEwen             
|President and Chief Executive Officer

A signed original of this written
statement required by Section 302 has been provided to Ballard Power Systems
Inc. and will be retained by Ballard Power Systems Inc. and furnished to the
Securities and Exchange Commission or its staff upon request.

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Certification Pursuant to Section 302of the Sarbanes-Oxley Act of 2002

I,Tony Guglielmin,certify that:

|1. |  | I have
      reviewed this annual report on Form 40-F of Ballard Power Systems
      Inc.;                                                                                                                                                                                                                                                                
|-- |  | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|  
|2. |  | Based on my
      knowledge, this report does not contain any untrue statement of a material
      fact or omit to state a material fact necessary to make the statements
      made, in light of the circumstances under which such statements were made,
      not misleading with respect to the period covered by this
  report;                      
|  
|3. |  | Based on my
      knowledge, the financial statements, and other financial information
      included in this report, fairly present in all material respects the
      financial condition, results of operations and cash flows of the issuer as
      of, and for, the periods presented in this report;                                               
|  
|4. |  | The issuers
      other certifying officer and I are responsible for establishing and
      maintaining disclosure controls and procedures (as defined in Exchange Act
      Rules 13a-15(e) and 15d-15(e)) and internal control over financial
      reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for
      the issuer and have:
|  
|   |  | a)                                                                                                                                                                                                                                                                                                                                                        
|  
|   |  | b)                                                                                                                                                                                                                                                                                                                                                        
|  
|   |  | c)                                                                                                                                                                                                                                                                                                                                                        
|  
|   |  | d)                                                                                                                                                                                                                                                                                                                                                        
|  
|5. |  | The issuers
      other certifying officer and I have disclosed, based on our most recent
      evaluation of internal control over financial reporting, to the issuers
      auditors and the audit committee of the issuers board of directors (or
      persons performing the equivalent functions):                                               
|  
|   |  | a)                                                                                                                                                                                                                                                                                                                                                        
|  
|   |  | b)                                                                                                                                                                                                                                                                                                                                                        

Date: February 25, 2016



|By:                                          | /s/
      Tony Guglielmin | 
|-------------------------------------------- | ------------------------- | 
|Name: Tony Guglielmin                       
|Vice President and Chief Financial
  Officer

A signed original of this written
statement required by Section 302 has been provided to Ballard Power Systems
Inc. and will be retained by Ballard Power Systems Inc. and furnished to the
Securities and Exchange Commission or its staff upon request.

---