| (1)    | I have reviewed this Quarterly Report on Form 10-Q of      the Federal Home Loan Bank of Seattle;                                                                                                                                                                                                                                                                  |
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| (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 registrant as of, and for, the periods presented in this      report;                                                        |
| (4)    | The registrant’s other certifying officer(s) 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 registrant and  have: |
|   | (a)                                                                                                                                                                                                                                                                                                                                                                | Designed such disclosure controls and procedures, or      caused such disclosure controls and procedures to be designed under our      supervision, to ensure that material information relating to the      registrant, including its consolidated subsidiaries, is made known to us      by others within those entities, particularly during the period in which      this report is being prepared; |
|   | (b)                                                                                                                                                                                                                                                                                                                                                                | Designed such internal control      over financial reporting, or caused such internal control over      financial reporting to be designed under our supervision, to provide      reasonable assurance regarding the reliability of financial reporting and      the preparation of financial statements for external purposes in      accordance with generally accepted accounting      principles; |
|   | (c)                                                                                                                                                                                                                                                                                                                                                                | Evaluated the effectiveness of the registrant’s      disclosure controls and procedures and presented in this report our      conclusions about the effectiveness of the disclosure controls and      procedures, as of the end of the period covered by this report based on      such evaluation; and |
|   | (d)                                                                                                                                                                                                                                                                                                                                                                | Disclosed in this report any change in the      registrant’s internal control over financial reporting that occurred      during the registrant’s most recent fiscal quarter (the registrant’s      fourth fiscal quarter in the case of an annual report) that has materially      affected, or is reasonably likely to materially affect, the registrant’s      internal control over financial reporting; and |
| (5)    | The registrant’s other certifying officer(s) and I      have disclosed, based on our most recent evaluation of internal control      over financial reporting, to the registrant’s auditors and the audit      committee of the registrant’s board of directors (or persons performing      the equivalent functions):                           |
|   | (a)                                                                                                                                                                                                                                                                                                                                                                | All significant deficiencies and material weaknesses      in the design or operation of internal control over financial reporting      which are reasonably likely to adversely affect the registrant’s ability      to record, process, summarize and report financial information;      and |
|   | (b)                                                                                                                                                                                                                                                                                                                                                                | Any fraud, whether or not material, that involves      management or other employees who have a significant role in the      registrant’s internal control over financial  reporting. |

|   | Federal Home Loan Bank of Seattle |                                                                      |
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|   |                              |                                                                      |   |
|   | By:                               | /s/ Christina J. Gehrke                                              |   |
|   |                              | Christina J. Gehrke                                                       |   |
|   |                              | Senior Vice President, Chief Accounting and      Administrative Officer * |   |
|   |                              |                                                                      |   |

| * | The Chief      Accounting and Administrative Officer for purposes of the Seattle Bank’s      disclosure controls and procedures and internal control over financial      reporting performs similar functions as a principal financial      officer. |
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